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Chapter 55: Mass and Capacity

Learn Grade 2 mathematics with very-beginner explanations, original worked examples, practice, reasoning, and review.

Grade 2Very Beginner Friendly10 Examples Per Topic30 Q&APractice + Review
Estimated reading time0% read
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Chapter Overview

This chapter teaches Mass and Capacity with simple explanations, visual thinking, worked examples, practice, and review.

55.1 Heavier and lighter

Heavier and lighter is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 4 and 10 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 2

Problem: Use 13 and 6 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 3

Problem: Use 15 and 8 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 4

Problem: Use 11 and 9 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 5

Problem: Use 1 and 20 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 6

Problem: Use 7 and 18 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 7

Problem: Use 11 and 10 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 8

Problem: Use 13 and 1 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 9

Problem: Use 10 and 2 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

Worked Example 10

Problem: Use 2 and 13 to make a simple example about Heavier and lighter.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Heavier and lighter.

55.2 Same mass

Same mass is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 2 and 9 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 2

Problem: Use 13 and 6 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 3

Problem: Use 12 and 11 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 4

Problem: Use 4 and 19 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 5

Problem: Use 11 and 1 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 6

Problem: Use 9 and 8 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 7

Problem: Use 6 and 13 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 8

Problem: Use 1 and 1 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 9

Problem: Use 5 and 17 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

Worked Example 10

Problem: Use 5 and 13 to make a simple example about Same mass.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same mass.

55.3 Comparing mass with a balance

Comparing mass with a balance is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 8 and 2 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 2

Problem: Use 2 and 1 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 3

Problem: Use 9 and 17 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 4

Problem: Use 17 and 1 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 5

Problem: Use 6 and 17 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 6

Problem: Use 13 and 12 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 7

Problem: Use 12 and 4 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 8

Problem: Use 6 and 13 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 9

Problem: Use 4 and 19 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

Worked Example 10

Problem: Use 16 and 6 to make a simple example about Comparing mass with a balance.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Comparing mass with a balance.

55.4 Capacity meaning

Capacity meaning is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 4 and 5 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 2

Problem: Use 14 and 4 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 3

Problem: Use 14 and 20 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 4

Problem: Use 18 and 17 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 5

Problem: Use 14 and 11 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 6

Problem: Use 4 and 13 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 7

Problem: Use 16 and 8 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 8

Problem: Use 16 and 5 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 9

Problem: Use 18 and 6 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

Worked Example 10

Problem: Use 16 and 8 to make a simple example about Capacity meaning.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Capacity meaning.

55.5 More capacity

More capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 7 and 9 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 2

Problem: Use 18 and 10 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 3

Problem: Use 3 and 20 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 4

Problem: Use 2 and 4 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 5

Problem: Use 7 and 19 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 6

Problem: Use 20 and 15 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 7

Problem: Use 13 and 6 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 8

Problem: Use 8 and 15 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 9

Problem: Use 4 and 6 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

Worked Example 10

Problem: Use 20 and 19 to make a simple example about More capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of More capacity.

55.6 Less capacity

Less capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 17 and 17 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 2

Problem: Use 11 and 5 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 3

Problem: Use 20 and 16 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 4

Problem: Use 1 and 20 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 5

Problem: Use 2 and 11 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 6

Problem: Use 1 and 7 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 7

Problem: Use 5 and 5 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 8

Problem: Use 13 and 10 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 9

Problem: Use 4 and 18 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

Worked Example 10

Problem: Use 6 and 1 to make a simple example about Less capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Less capacity.

55.7 Same capacity

Same capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 1 and 7 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 2

Problem: Use 16 and 1 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 3

Problem: Use 6 and 8 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 4

Problem: Use 5 and 17 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 5

Problem: Use 7 and 12 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 6

Problem: Use 9 and 2 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 7

Problem: Use 6 and 13 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 8

Problem: Use 5 and 19 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 9

Problem: Use 1 and 7 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

Worked Example 10

Problem: Use 18 and 5 to make a simple example about Same capacity.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Same capacity.

55.8 Choosing a container

Choosing a container is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 4 and 6 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 2

Problem: Use 6 and 17 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 3

Problem: Use 20 and 13 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 4

Problem: Use 3 and 13 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 5

Problem: Use 12 and 16 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 6

Problem: Use 4 and 9 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 7

Problem: Use 9 and 9 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 8

Problem: Use 17 and 10 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 9

Problem: Use 7 and 12 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

Worked Example 10

Problem: Use 12 and 18 to make a simple example about Choosing a container.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Choosing a container.

55.9 Estimating which object is heavier

Estimating which object is heavier is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 15 and 13 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 2

Problem: Use 19 and 6 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 3

Problem: Use 16 and 3 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 4

Problem: Use 17 and 19 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 5

Problem: Use 9 and 19 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 6

Problem: Use 14 and 17 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 7

Problem: Use 17 and 17 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 8

Problem: Use 20 and 2 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 9

Problem: Use 16 and 17 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

Worked Example 10

Problem: Use 18 and 2 to make a simple example about Estimating which object is heavier.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which object is heavier.

55.10 Estimating which container holds more

Estimating which container holds more is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 7 and 16 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 2

Problem: Use 16 and 9 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 3

Problem: Use 10 and 14 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 4

Problem: Use 20 and 18 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 5

Problem: Use 18 and 18 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 6

Problem: Use 4 and 18 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 7

Problem: Use 6 and 17 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 8

Problem: Use 17 and 9 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 9

Problem: Use 10 and 19 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

Worked Example 10

Problem: Use 1 and 15 to make a simple example about Estimating which container holds more.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Estimating which container holds more.

55.11 Testing an estimate

Estimation gives a nearby amount. The nearest ten is the multiple of ten closest to the number. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Which ten is closer to 99: 90 or 100?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 100

Worked Example 2

Problem: Which ten is closer to 31: 30 or 40?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 30

Worked Example 3

Problem: Which ten is closer to 81: 80 or 90?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 80

Worked Example 4

Problem: Which ten is closer to 84: 80 or 90?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 80

Worked Example 5

Problem: Which ten is closer to 28: 20 or 30?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 30

Worked Example 6

Problem: Which ten is closer to 20: 20 or 30?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 20

Worked Example 7

Problem: Which ten is closer to 55: 50 or 60?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 60

Worked Example 8

Problem: Which ten is closer to 82: 80 or 90?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 80

Worked Example 9

Problem: Which ten is closer to 50: 50 or 60?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 50

Worked Example 10

Problem: Which ten is closer to 79: 70 or 80?

  1. Find the distance to each ten.
  2. Choose the closer one.

Very beginner explanation: Nearest-ten thinking uses multiples of ten as benchmarks.

Answer: 80

55.12 Real-life mass and capacity comparisons

Real-life mass and capacity comparisons is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 8 and 1 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 2

Problem: Use 10 and 14 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 3

Problem: Use 4 and 7 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 4

Problem: Use 12 and 15 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 5

Problem: Use 13 and 6 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 6

Problem: Use 8 and 15 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 7

Problem: Use 11 and 13 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 8

Problem: Use 9 and 12 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 9

Problem: Use 20 and 18 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

Worked Example 10

Problem: Use 13 and 9 to make a simple example about Real-life mass and capacity comparisons.

  1. Recall the topic meaning.
  2. Use objects, a drawing, or a number sentence.
  3. Check that the example matches the idea.

Very beginner explanation: Simple models make Grade 2 ideas easier to understand.

Answer: A correct Grade 2 example of Real-life mass and capacity comparisons.

30 Review Questions and Answers

Q1. What should a Grade 2 learner understand about Heavier and lighter?

Answer: Heavier and lighter is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q2. What should a Grade 2 learner understand about Same mass?

Answer: Same mass is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q3. What should a Grade 2 learner understand about Comparing mass with a balance?

Answer: Comparing mass with a balance is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q4. What should a Grade 2 learner understand about Capacity meaning?

Answer: Capacity meaning is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q5. What should a Grade 2 learner understand about More capacity?

Answer: More capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q6. What should a Grade 2 learner understand about Less capacity?

Answer: Less capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q7. What should a Grade 2 learner understand about Same capacity?

Answer: Same capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q8. What should a Grade 2 learner understand about Choosing a container?

Answer: Choosing a container is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q9. What should a Grade 2 learner understand about Estimating which object is heavier?

Answer: Estimating which object is heavier is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q10. What should a Grade 2 learner understand about Estimating which container holds more?

Answer: Estimating which container holds more is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q11. What should a Grade 2 learner understand about Testing an estimate?

Answer: Estimation gives a nearby amount. The nearest ten is the multiple of ten closest to the number.

Q12. What should a Grade 2 learner understand about Real-life mass and capacity comparisons?

Answer: Real-life mass and capacity comparisons is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q13. What should a Grade 2 learner understand about Heavier and lighter?

Answer: Heavier and lighter is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q14. What should a Grade 2 learner understand about Same mass?

Answer: Same mass is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q15. What should a Grade 2 learner understand about Comparing mass with a balance?

Answer: Comparing mass with a balance is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q16. What should a Grade 2 learner understand about Capacity meaning?

Answer: Capacity meaning is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q17. What should a Grade 2 learner understand about More capacity?

Answer: More capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q18. What should a Grade 2 learner understand about Less capacity?

Answer: Less capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q19. What should a Grade 2 learner understand about Same capacity?

Answer: Same capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q20. What should a Grade 2 learner understand about Choosing a container?

Answer: Choosing a container is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q21. What should a Grade 2 learner understand about Estimating which object is heavier?

Answer: Estimating which object is heavier is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q22. What should a Grade 2 learner understand about Estimating which container holds more?

Answer: Estimating which container holds more is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q23. What should a Grade 2 learner understand about Testing an estimate?

Answer: Estimation gives a nearby amount. The nearest ten is the multiple of ten closest to the number.

Q24. What should a Grade 2 learner understand about Real-life mass and capacity comparisons?

Answer: Real-life mass and capacity comparisons is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q25. What should a Grade 2 learner understand about Heavier and lighter?

Answer: Heavier and lighter is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q26. What should a Grade 2 learner understand about Same mass?

Answer: Same mass is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q27. What should a Grade 2 learner understand about Comparing mass with a balance?

Answer: Comparing mass with a balance is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q28. What should a Grade 2 learner understand about Capacity meaning?

Answer: Capacity meaning is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q29. What should a Grade 2 learner understand about More capacity?

Answer: More capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q30. What should a Grade 2 learner understand about Less capacity?

Answer: Less capacity is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.