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Chapter 36: Coding: Sequences and Grid Movement

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 Coding: Sequences and Grid Movement with simple explanations, visual thinking, worked examples, practice, and review.

36.1 Algorithm meaning

Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: A command moves 4 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 2

Problem: A command moves 5 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 10

Worked Example 3

Problem: A command moves 3 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 6

Worked Example 4

Problem: A command moves 4 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 5

Problem: A command moves 2 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 6

Worked Example 6

Problem: A command moves 4 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 7

Problem: A command moves 5 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 20

Worked Example 8

Problem: A command moves 5 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 10

Worked Example 9

Problem: A command moves 4 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 10

Problem: A command moves 5 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 15

36.2 Step-by-step instructions

Step-by-step instructions 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 12 and 17 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 2

Problem: Use 3 and 5 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 3

Problem: Use 12 and 11 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 4

Problem: Use 11 and 4 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 5

Problem: Use 7 and 3 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 6

Problem: Use 7 and 13 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 7

Problem: Use 13 and 5 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 8

Problem: Use 13 and 10 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 9

Problem: Use 11 and 10 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

Worked Example 10

Problem: Use 20 and 4 to make a simple example about Step-by-step instructions.

  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 Step-by-step instructions.

36.3 Order matters

Order matters 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 3 and 8 to make a simple example about Order matters.

  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 Order matters.

Worked Example 2

Problem: Use 5 and 4 to make a simple example about Order matters.

  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 Order matters.

Worked Example 3

Problem: Use 5 and 4 to make a simple example about Order matters.

  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 Order matters.

Worked Example 4

Problem: Use 19 and 8 to make a simple example about Order matters.

  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 Order matters.

Worked Example 5

Problem: Use 14 and 20 to make a simple example about Order matters.

  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 Order matters.

Worked Example 6

Problem: Use 14 and 15 to make a simple example about Order matters.

  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 Order matters.

Worked Example 7

Problem: Use 11 and 8 to make a simple example about Order matters.

  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 Order matters.

Worked Example 8

Problem: Use 19 and 10 to make a simple example about Order matters.

  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 Order matters.

Worked Example 9

Problem: Use 16 and 6 to make a simple example about Order matters.

  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 Order matters.

Worked Example 10

Problem: Use 2 and 12 to make a simple example about Order matters.

  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 Order matters.

36.4 Forward movement

Forward movement 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 18 and 4 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 2

Problem: Use 18 and 12 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 3

Problem: Use 16 and 18 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 4

Problem: Use 6 and 12 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 5

Problem: Use 19 and 16 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 6

Problem: Use 5 and 12 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 7

Problem: Use 13 and 18 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 8

Problem: Use 13 and 15 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 9

Problem: Use 13 and 17 to make a simple example about Forward movement.

  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 Forward movement.

Worked Example 10

Problem: Use 6 and 13 to make a simple example about Forward movement.

  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 Forward movement.

36.5 Backward movement

Backward movement 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 20 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 2

Problem: Use 10 and 6 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 3

Problem: Use 9 and 8 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 4

Problem: Use 18 and 10 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 5

Problem: Use 7 and 13 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 6

Problem: Use 1 and 10 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 7

Problem: Use 16 and 8 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 8

Problem: Use 7 and 16 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 9

Problem: Use 17 and 15 to make a simple example about Backward movement.

  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 Backward movement.

Worked Example 10

Problem: Use 9 and 11 to make a simple example about Backward movement.

  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 Backward movement.

36.6 Turning left

Turning left 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 12 and 20 to make a simple example about Turning left.

  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 Turning left.

Worked Example 2

Problem: Use 20 and 10 to make a simple example about Turning left.

  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 Turning left.

Worked Example 3

Problem: Use 17 and 18 to make a simple example about Turning left.

  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 Turning left.

Worked Example 4

Problem: Use 4 and 6 to make a simple example about Turning left.

  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 Turning left.

Worked Example 5

Problem: Use 15 and 1 to make a simple example about Turning left.

  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 Turning left.

Worked Example 6

Problem: Use 7 and 11 to make a simple example about Turning left.

  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 Turning left.

Worked Example 7

Problem: Use 6 and 20 to make a simple example about Turning left.

  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 Turning left.

Worked Example 8

Problem: Use 5 and 19 to make a simple example about Turning left.

  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 Turning left.

Worked Example 9

Problem: Use 2 and 8 to make a simple example about Turning left.

  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 Turning left.

Worked Example 10

Problem: Use 9 and 9 to make a simple example about Turning left.

  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 Turning left.

36.7 Turning right

Turning right 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 10 to make a simple example about Turning right.

  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 Turning right.

Worked Example 2

Problem: Use 19 and 11 to make a simple example about Turning right.

  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 Turning right.

Worked Example 3

Problem: Use 16 and 16 to make a simple example about Turning right.

  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 Turning right.

Worked Example 4

Problem: Use 9 and 17 to make a simple example about Turning right.

  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 Turning right.

Worked Example 5

Problem: Use 14 and 9 to make a simple example about Turning right.

  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 Turning right.

Worked Example 6

Problem: Use 10 and 7 to make a simple example about Turning right.

  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 Turning right.

Worked Example 7

Problem: Use 3 and 20 to make a simple example about Turning right.

  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 Turning right.

Worked Example 8

Problem: Use 18 and 18 to make a simple example about Turning right.

  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 Turning right.

Worked Example 9

Problem: Use 13 and 7 to make a simple example about Turning right.

  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 Turning right.

Worked Example 10

Problem: Use 1 and 8 to make a simple example about Turning right.

  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 Turning right.

36.8 Moving on a square grid

Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: A command moves 2 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 4

Worked Example 2

Problem: A command moves 5 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 10

Worked Example 3

Problem: A command moves 4 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 16

Worked Example 4

Problem: A command moves 5 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 10

Worked Example 5

Problem: A command moves 3 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 9

Worked Example 6

Problem: A command moves 3 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 7

Problem: A command moves 2 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 6

Worked Example 8

Problem: A command moves 3 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 6

Worked Example 9

Problem: A command moves 3 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 10

Problem: A command moves 3 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

36.9 Starting location

Starting location 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 Starting location.

  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 Starting location.

Worked Example 2

Problem: Use 7 and 7 to make a simple example about Starting location.

  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 Starting location.

Worked Example 3

Problem: Use 18 and 11 to make a simple example about Starting location.

  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 Starting location.

Worked Example 4

Problem: Use 19 and 8 to make a simple example about Starting location.

  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 Starting location.

Worked Example 5

Problem: Use 12 and 16 to make a simple example about Starting location.

  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 Starting location.

Worked Example 6

Problem: Use 3 and 13 to make a simple example about Starting location.

  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 Starting location.

Worked Example 7

Problem: Use 4 and 3 to make a simple example about Starting location.

  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 Starting location.

Worked Example 8

Problem: Use 20 and 6 to make a simple example about Starting location.

  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 Starting location.

Worked Example 9

Problem: Use 1 and 1 to make a simple example about Starting location.

  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 Starting location.

Worked Example 10

Problem: Use 16 and 20 to make a simple example about Starting location.

  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 Starting location.

36.10 Ending location

Ending location 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 14 to make a simple example about Ending location.

  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 Ending location.

Worked Example 2

Problem: Use 8 and 12 to make a simple example about Ending location.

  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 Ending location.

Worked Example 3

Problem: Use 4 and 3 to make a simple example about Ending location.

  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 Ending location.

Worked Example 4

Problem: Use 18 and 4 to make a simple example about Ending location.

  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 Ending location.

Worked Example 5

Problem: Use 18 and 12 to make a simple example about Ending location.

  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 Ending location.

Worked Example 6

Problem: Use 15 and 15 to make a simple example about Ending location.

  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 Ending location.

Worked Example 7

Problem: Use 4 and 3 to make a simple example about Ending location.

  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 Ending location.

Worked Example 8

Problem: Use 6 and 20 to make a simple example about Ending location.

  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 Ending location.

Worked Example 9

Problem: Use 15 and 19 to make a simple example about Ending location.

  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 Ending location.

Worked Example 10

Problem: Use 15 and 3 to make a simple example about Ending location.

  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 Ending location.

36.11 Predicting where an object will finish

Predicting where an object will finish 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 13 and 11 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 2

Problem: Use 17 and 15 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 3

Problem: Use 5 and 1 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 4

Problem: Use 7 and 14 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 5

Problem: Use 10 and 18 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 6

Problem: Use 15 and 15 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 7

Problem: Use 11 and 5 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 8

Problem: Use 11 and 6 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 9

Problem: Use 6 and 2 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

Worked Example 10

Problem: Use 10 and 12 to make a simple example about Predicting where an object will finish.

  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 Predicting where an object will finish.

36.12 Writing a simple movement algorithm

Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: A command moves 4 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 8

Worked Example 2

Problem: A command moves 4 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 16

Worked Example 3

Problem: A command moves 3 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 4

Problem: A command moves 2 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 8

Worked Example 5

Problem: A command moves 4 squares and repeats 3 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 6

Problem: A command moves 4 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 16

Worked Example 7

Problem: A command moves 3 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 6

Worked Example 8

Problem: A command moves 3 squares and repeats 4 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 9

Problem: A command moves 2 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 4

Worked Example 10

Problem: A command moves 5 squares and repeats 2 times. How many squares altogether?

  1. Repeat the move.
  2. Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 10

30 Review Questions and Answers

Q1. What should a Grade 2 learner understand about Algorithm meaning?

Answer: Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems.

Q2. What should a Grade 2 learner understand about Step-by-step instructions?

Answer: Step-by-step instructions 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 Order matters?

Answer: Order matters 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 Forward movement?

Answer: Forward movement 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 Backward movement?

Answer: Backward movement 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 Turning left?

Answer: Turning left 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 Turning right?

Answer: Turning right 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 Moving on a square grid?

Answer: Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems.

Q9. What should a Grade 2 learner understand about Starting location?

Answer: Starting location 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 Ending location?

Answer: Ending location 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 Predicting where an object will finish?

Answer: Predicting where an object will finish is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q12. What should a Grade 2 learner understand about Writing a simple movement algorithm?

Answer: Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems.

Q13. What should a Grade 2 learner understand about Algorithm meaning?

Answer: Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems.

Q14. What should a Grade 2 learner understand about Step-by-step instructions?

Answer: Step-by-step instructions 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 Order matters?

Answer: Order matters 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 Forward movement?

Answer: Forward movement 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 Backward movement?

Answer: Backward movement 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 Turning left?

Answer: Turning left 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 Turning right?

Answer: Turning right 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 Moving on a square grid?

Answer: Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems.

Q21. What should a Grade 2 learner understand about Starting location?

Answer: Starting location 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 Ending location?

Answer: Ending location 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 Predicting where an object will finish?

Answer: Predicting where an object will finish is a Grade 2 math idea best learned with simple numbers, objects, drawings, and clear words.

Q24. What should a Grade 2 learner understand about Writing a simple movement algorithm?

Answer: Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems.

Q25. What should a Grade 2 learner understand about Algorithm meaning?

Answer: Coding uses exact step-by-step instructions to move objects, repeat actions, and solve problems.

Q26. What should a Grade 2 learner understand about Step-by-step instructions?

Answer: Step-by-step instructions 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 Order matters?

Answer: Order matters 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 Forward movement?

Answer: Forward movement 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 Backward movement?

Answer: Backward movement 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 Turning left?

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