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Chapter 48: Two-Dimensional Shapes

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 Two-Dimensional Shapes with simple explanations, visual thinking, worked examples, practice, and review.

48.1 Triangles

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

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

  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 Triangles.

Worked Example 2

Problem: Use 10 and 12 to make a simple example about Triangles.

  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 Triangles.

Worked Example 3

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

  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 Triangles.

Worked Example 4

Problem: Use 8 and 10 to make a simple example about Triangles.

  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 Triangles.

Worked Example 5

Problem: Use 11 and 16 to make a simple example about Triangles.

  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 Triangles.

Worked Example 6

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

  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 Triangles.

Worked Example 7

Problem: Use 12 and 19 to make a simple example about Triangles.

  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 Triangles.

Worked Example 8

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

  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 Triangles.

Worked Example 9

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

  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 Triangles.

Worked Example 10

Problem: Use 13 and 12 to make a simple example about Triangles.

  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 Triangles.

48.2 Quadrilaterals

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

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

  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 Quadrilaterals.

Worked Example 2

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

  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 Quadrilaterals.

Worked Example 3

Problem: Use 19 and 6 to make a simple example about Quadrilaterals.

  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 Quadrilaterals.

Worked Example 4

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

  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 Quadrilaterals.

Worked Example 5

Problem: Use 9 and 12 to make a simple example about Quadrilaterals.

  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 Quadrilaterals.

Worked Example 6

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

  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 Quadrilaterals.

Worked Example 7

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

  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 Quadrilaterals.

Worked Example 8

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

  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 Quadrilaterals.

Worked Example 9

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

  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 Quadrilaterals.

Worked Example 10

Problem: Use 19 and 14 to make a simple example about Quadrilaterals.

  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 Quadrilaterals.

48.3 Pentagons

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

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

  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 Pentagons.

Worked Example 2

Problem: Use 4 and 16 to make a simple example about Pentagons.

  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 Pentagons.

Worked Example 3

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

  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 Pentagons.

Worked Example 4

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

  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 Pentagons.

Worked Example 5

Problem: Use 5 and 20 to make a simple example about Pentagons.

  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 Pentagons.

Worked Example 6

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

  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 Pentagons.

Worked Example 7

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

  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 Pentagons.

Worked Example 8

Problem: Use 19 and 14 to make a simple example about Pentagons.

  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 Pentagons.

Worked Example 9

Problem: Use 17 and 7 to make a simple example about Pentagons.

  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 Pentagons.

Worked Example 10

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

  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 Pentagons.

48.4 Hexagons

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

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

  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 Hexagons.

Worked Example 2

Problem: Use 9 and 13 to make a simple example about Hexagons.

  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 Hexagons.

Worked Example 3

Problem: Use 6 and 3 to make a simple example about Hexagons.

  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 Hexagons.

Worked Example 4

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

  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 Hexagons.

Worked Example 5

Problem: Use 1 and 19 to make a simple example about Hexagons.

  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 Hexagons.

Worked Example 6

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

  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 Hexagons.

Worked Example 7

Problem: Use 17 and 2 to make a simple example about Hexagons.

  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 Hexagons.

Worked Example 8

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

  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 Hexagons.

Worked Example 9

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

  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 Hexagons.

Worked Example 10

Problem: Use 11 and 15 to make a simple example about Hexagons.

  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 Hexagons.

48.5 Circles

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

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

  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 Circles.

Worked Example 2

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

  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 Circles.

Worked Example 3

Problem: Use 2 and 3 to make a simple example about Circles.

  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 Circles.

Worked Example 4

Problem: Use 16 and 14 to make a simple example about Circles.

  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 Circles.

Worked Example 5

Problem: Use 20 and 17 to make a simple example about Circles.

  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 Circles.

Worked Example 6

Problem: Use 11 and 17 to make a simple example about Circles.

  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 Circles.

Worked Example 7

Problem: Use 5 and 10 to make a simple example about Circles.

  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 Circles.

Worked Example 8

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

  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 Circles.

Worked Example 9

Problem: Use 7 and 8 to make a simple example about Circles.

  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 Circles.

Worked Example 10

Problem: Use 15 and 4 to make a simple example about Circles.

  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 Circles.

48.6 Straight and curved sides

Straight and curved sides 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 4 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 2

Problem: Use 13 and 14 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 3

Problem: Use 6 and 12 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 4

Problem: Use 18 and 17 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 5

Problem: Use 20 and 13 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 6

Problem: Use 13 and 8 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 7

Problem: Use 13 and 17 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 8

Problem: Use 13 and 2 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 9

Problem: Use 5 and 3 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

Worked Example 10

Problem: Use 13 and 19 to make a simple example about Straight and curved sides.

  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 Straight and curved sides.

48.7 Vertices

Vertices 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 19 to make a simple example about Vertices.

  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 Vertices.

Worked Example 2

Problem: Use 4 and 11 to make a simple example about Vertices.

  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 Vertices.

Worked Example 3

Problem: Use 14 and 5 to make a simple example about Vertices.

  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 Vertices.

Worked Example 4

Problem: Use 5 and 3 to make a simple example about Vertices.

  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 Vertices.

Worked Example 5

Problem: Use 2 and 16 to make a simple example about Vertices.

  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 Vertices.

Worked Example 6

Problem: Use 14 and 7 to make a simple example about Vertices.

  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 Vertices.

Worked Example 7

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

  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 Vertices.

Worked Example 8

Problem: Use 10 and 16 to make a simple example about Vertices.

  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 Vertices.

Worked Example 9

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

  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 Vertices.

Worked Example 10

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

  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 Vertices.

48.8 Sorting shapes by attributes

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. 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 Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 2

Problem: Use 5 and 14 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 3

Problem: Use 9 and 5 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 4

Problem: Use 12 and 13 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 5

Problem: Use 17 and 3 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 6

Problem: Use 10 and 12 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 7

Problem: Use 6 and 5 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 8

Problem: Use 3 and 5 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 9

Problem: Use 14 and 14 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

Worked Example 10

Problem: Use 14 and 3 to make a simple example about Sorting shapes by attributes.

  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 Sorting shapes by attributes.

48.9 Drawing shapes

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 14 and 1 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 2

Problem: Use 15 and 13 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 3

Problem: Use 15 and 11 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 4

Problem: Use 8 and 1 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 5

Problem: Use 10 and 12 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 6

Problem: Use 10 and 12 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 7

Problem: Use 9 and 7 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 8

Problem: Use 6 and 10 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 9

Problem: Use 20 and 19 to make a simple example about Drawing shapes.

  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 Drawing shapes.

Worked Example 10

Problem: Use 15 and 12 to make a simple example about Drawing shapes.

  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 Drawing shapes.

48.10 Combining 2D shapes

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 12 and 14 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 2

Problem: Use 3 and 14 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 3

Problem: Use 10 and 8 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 4

Problem: Use 15 and 3 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 5

Problem: Use 3 and 6 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 6

Problem: Use 8 and 8 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 7

Problem: Use 11 and 12 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 8

Problem: Use 17 and 11 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 9

Problem: Use 5 and 15 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

Worked Example 10

Problem: Use 15 and 14 to make a simple example about Combining 2D shapes.

  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 Combining 2D shapes.

48.11 Taking shapes apart

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 10 and 7 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 2

Problem: Use 15 and 13 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 3

Problem: Use 12 and 3 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 4

Problem: Use 13 and 17 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 5

Problem: Use 19 and 14 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 6

Problem: Use 8 and 2 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 7

Problem: Use 3 and 5 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 8

Problem: Use 8 and 12 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 9

Problem: Use 19 and 15 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

Worked Example 10

Problem: Use 2 and 6 to make a simple example about Taking shapes apart.

  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 Taking shapes apart.

48.12 Describing a shape without naming it

Spatial sense describes shapes and objects using their attributes, parts, positions, and different views. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: Use 9 and 13 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 2

Problem: Use 12 and 12 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 3

Problem: Use 7 and 18 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 4

Problem: Use 19 and 10 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 5

Problem: Use 20 and 1 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 6

Problem: Use 20 and 17 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 7

Problem: Use 3 and 16 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 8

Problem: Use 3 and 1 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 9

Problem: Use 20 and 3 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

Worked Example 10

Problem: Use 5 and 19 to make a simple example about Describing a shape without naming it.

  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 Describing a shape without naming it.

30 Review Questions and Answers

Q1. What should a Grade 2 learner understand about Triangles?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q2. What should a Grade 2 learner understand about Quadrilaterals?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q3. What should a Grade 2 learner understand about Pentagons?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q4. What should a Grade 2 learner understand about Hexagons?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q5. What should a Grade 2 learner understand about Circles?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q6. What should a Grade 2 learner understand about Straight and curved sides?

Answer: Straight and curved sides 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 Vertices?

Answer: Vertices 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 Sorting shapes by attributes?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q9. What should a Grade 2 learner understand about Drawing shapes?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q10. What should a Grade 2 learner understand about Combining 2D shapes?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q11. What should a Grade 2 learner understand about Taking shapes apart?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q12. What should a Grade 2 learner understand about Describing a shape without naming it?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q13. What should a Grade 2 learner understand about Triangles?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q14. What should a Grade 2 learner understand about Quadrilaterals?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q15. What should a Grade 2 learner understand about Pentagons?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q16. What should a Grade 2 learner understand about Hexagons?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q17. What should a Grade 2 learner understand about Circles?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q18. What should a Grade 2 learner understand about Straight and curved sides?

Answer: Straight and curved sides 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 Vertices?

Answer: Vertices 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 Sorting shapes by attributes?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q21. What should a Grade 2 learner understand about Drawing shapes?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q22. What should a Grade 2 learner understand about Combining 2D shapes?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q23. What should a Grade 2 learner understand about Taking shapes apart?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q24. What should a Grade 2 learner understand about Describing a shape without naming it?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q25. What should a Grade 2 learner understand about Triangles?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q26. What should a Grade 2 learner understand about Quadrilaterals?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q27. What should a Grade 2 learner understand about Pentagons?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q28. What should a Grade 2 learner understand about Hexagons?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q29. What should a Grade 2 learner understand about Circles?

Answer: Spatial sense describes shapes and objects using their attributes, parts, positions, and different views.

Q30. What should a Grade 2 learner understand about Straight and curved sides?

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