Chapter 51: Turns, Flips, and Slides

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 Turns, Flips, and Slides with simple explanations, visual thinking, worked examples, practice, and review.

51.1 Slide movement

Slide 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 14 and 20 to make a simple example about Slide movement.

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 2

Problem: Use 7 and 20 to make a simple example about Slide movement.

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 3

Problem: Use 1 and 6 to make a simple example about Slide movement.

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 4

Problem: Use 6 and 18 to make a simple example about Slide movement.

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 5

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

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 6

Problem: Use 5 and 8 to make a simple example about Slide movement.

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 7

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

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 8

Problem: Use 20 and 20 to make a simple example about Slide movement.

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 9

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

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

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

Answer: A correct Grade 2 example of Slide movement.

Worked Example 10

Problem: Use 15 and 16 to make a simple example about Slide movement.

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

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

Answer: A correct Grade 2 example of Slide movement.

51.2 Turn movement

Turn 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 10 and 1 to make a simple example about Turn movement.

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 2

Problem: Use 1 and 2 to make a simple example about Turn movement.

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 3

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

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 4

Problem: Use 4 and 3 to make a simple example about Turn movement.

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 5

Problem: Use 12 and 11 to make a simple example about Turn movement.

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 6

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

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 7

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

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 8

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

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 9

Problem: Use 6 and 4 to make a simple example about Turn movement.

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

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

Answer: A correct Grade 2 example of Turn movement.

Worked Example 10

Problem: Use 4 and 13 to make a simple example about Turn movement.

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

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

Answer: A correct Grade 2 example of Turn movement.

51.3 Flip movement

Flip 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 7 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 2

Problem: Use 17 and 5 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 3

Problem: Use 18 and 9 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 4

Problem: Use 14 and 4 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 5

Problem: Use 18 and 4 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 6

Problem: Use 1 and 8 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 7

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

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 8

Problem: Use 14 and 6 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 9

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

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

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

Answer: A correct Grade 2 example of Flip movement.

Worked Example 10

Problem: Use 1 and 16 to make a simple example about Flip movement.

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

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

Answer: A correct Grade 2 example of Flip movement.

51.4 Quarter turns

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

10 Worked Examples with Answers

Worked Example 1

Problem: Use 1 and 8 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 2

Problem: Use 7 and 13 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 3

Problem: Use 9 and 14 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 4

Problem: Use 14 and 18 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 5

Problem: Use 16 and 17 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 6

Problem: Use 19 and 2 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 7

Problem: Use 13 and 19 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 8

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

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 9

Problem: Use 17 and 19 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

Worked Example 10

Problem: Use 19 and 4 to make a simple example about Quarter turns.

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

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

Answer: A correct Grade 2 example of Quarter turns.

51.5 Half turns

Fractions begin with fair sharing. Equal parts must be the same size, and equal parts can be joined to make a whole. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: 8 objects are shared equally among 2 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 4

Worked Example 2

Problem: 12 objects are shared equally among 4 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 3

Worked Example 3

Problem: 8 objects are shared equally among 4 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 2

Worked Example 4

Problem: 6 objects are shared equally among 2 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 3

Worked Example 5

Problem: 2 objects are shared equally among 2 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 1

Worked Example 6

Problem: 16 objects are shared equally among 4 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 4

Worked Example 7

Problem: 4 objects are shared equally among 2 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 2

Worked Example 8

Problem: 4 objects are shared equally among 2 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 2

Worked Example 9

Problem: 3 objects are shared equally among 3 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 1

Worked Example 10

Problem: 12 objects are shared equally among 4 people. How many does each person get?

Make equal groups.
Share until all objects are used.
Check that every group is equal.

Very beginner explanation: Fair sharing creates equal groups.

Answer: 3

51.6 Clockwise turns

Time is read with clocks and calendars. Elapsed time tells how long passes between a start and an end. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: An activity starts at 6:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 6:30

Worked Example 2

Problem: An activity starts at 7:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 8:00

Worked Example 3

Problem: An activity starts at 9:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 9:30

Worked Example 4

Problem: An activity starts at 10:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 11:00

Worked Example 5

Problem: An activity starts at 10:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 10:30

Worked Example 6

Problem: An activity starts at 7:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 8:00

Worked Example 7

Problem: An activity starts at 7:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 7:30

Worked Example 8

Problem: An activity starts at 5:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 6:00

Worked Example 9

Problem: An activity starts at 9:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 10:00

Worked Example 10

Problem: An activity starts at 10:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 11:00

51.7 Counterclockwise turns

Time is read with clocks and calendars. Elapsed time tells how long passes between a start and an end. Use objects, drawings, number lines, tables, or number sentences when useful.

10 Worked Examples with Answers

Worked Example 1

Problem: An activity starts at 5:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 5:30

Worked Example 2

Problem: An activity starts at 2:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 3:00

Worked Example 3

Problem: An activity starts at 8:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 8:30

Worked Example 4

Problem: An activity starts at 1:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 1:30

Worked Example 5

Problem: An activity starts at 8:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 9:00

Worked Example 6

Problem: An activity starts at 2:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 2:30

Worked Example 7

Problem: An activity starts at 9:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 9:30

Worked Example 8

Problem: An activity starts at 9:00 and lasts 60 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 10:00

Worked Example 9

Problem: An activity starts at 4:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 4:30

Worked Example 10

Problem: An activity starts at 5:00 and lasts 30 minutes. When does it end?

Move forward by the elapsed time.

Very beginner explanation: Elapsed time tells how long passes.

Answer: 5:30

51.8 Predicting a turned shape

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 6 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 2

Problem: Use 10 and 17 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 3

Problem: Use 13 and 4 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 4

Problem: Use 1 and 14 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 5

Problem: Use 16 and 14 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 6

Problem: Use 20 and 20 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 7

Problem: Use 14 and 4 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 8

Problem: Use 2 and 16 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 9

Problem: Use 18 and 7 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

Worked Example 10

Problem: Use 12 and 2 to make a simple example about Predicting a turned shape.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 a turned shape.

51.9 Matching original and moved 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 4 and 13 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 2

Problem: Use 5 and 5 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 3

Problem: Use 14 and 14 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 4

Problem: Use 19 and 17 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 5

Problem: Use 19 and 2 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 6

Problem: Use 16 and 8 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 7

Problem: Use 7 and 5 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 8

Problem: Use 11 and 13 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 9

Problem: Use 5 and 17 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

Worked Example 10

Problem: Use 3 and 16 to make a simple example about Matching original and moved shapes.

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

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

Answer: A correct Grade 2 example of Matching original and moved shapes.

51.10 Movement on a 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 4 squares and repeats 3 times. How many squares altogether?

Repeat the move.
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?

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 10

Worked Example 3

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 8

Worked Example 4

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 12

Worked Example 5

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 16

Worked Example 6

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 4

Worked Example 7

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 15

Worked Example 8

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 9

Worked Example 9

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 6

Worked Example 10

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

Repeat the move.
Add the equal moves.

Very beginner explanation: Repeating instructions is a simple loop.

Answer: 20

51.11 Combining two movements

Combining two movements 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 6 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 2

Problem: Use 9 and 10 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 3

Problem: Use 12 and 12 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 4

Problem: Use 6 and 17 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 5

Problem: Use 8 and 6 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 6

Problem: Use 5 and 10 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 7

Problem: Use 11 and 5 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 8

Problem: Use 1 and 18 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 9

Problem: Use 4 and 12 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

Worked Example 10

Problem: Use 18 and 19 to make a simple example about Combining two movements.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 two movements.

51.12 Describing a transformation in words

Describing a transformation in words 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 10 and 17 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 2

Problem: Use 13 and 17 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 3

Problem: Use 1 and 7 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 4

Problem: Use 3 and 16 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 5

Problem: Use 1 and 4 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 6

Problem: Use 10 and 16 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 7

Problem: Use 4 and 18 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 8

Problem: Use 4 and 8 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 9

Problem: Use 19 and 10 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

Worked Example 10

Problem: Use 12 and 2 to make a simple example about Describing a transformation in words.

Recall the topic meaning.
Use objects, a drawing, or a number sentence.
Check that 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 transformation in words.

30 Review Questions and Answers

Q1. What should a Grade 2 learner understand about Slide movement?

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

Q2. What should a Grade 2 learner understand about Turn movement?

Answer: Turn movement 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 Flip movement?

Answer: Flip movement 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 Quarter turns?

Answer: Quarter turns 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 Half turns?

Answer: Fractions begin with fair sharing. Equal parts must be the same size, and equal parts can be joined to make a whole.

Q6. What should a Grade 2 learner understand about Clockwise turns?

Answer: Time is read with clocks and calendars. Elapsed time tells how long passes between a start and an end.

Q7. What should a Grade 2 learner understand about Counterclockwise turns?

Answer: Time is read with clocks and calendars. Elapsed time tells how long passes between a start and an end.

Q8. What should a Grade 2 learner understand about Predicting a turned shape?

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

Q9. What should a Grade 2 learner understand about Matching original and moved 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 Movement on a grid?

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

Q11. What should a Grade 2 learner understand about Combining two movements?

Answer: Combining two movements 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 Describing a transformation in words?

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

Q13. What should a Grade 2 learner understand about Slide movement?

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

Q14. What should a Grade 2 learner understand about Turn movement?

Answer: Turn movement 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 Flip movement?

Answer: Flip movement 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 Quarter turns?

Answer: Quarter turns 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 Half turns?

Answer: Fractions begin with fair sharing. Equal parts must be the same size, and equal parts can be joined to make a whole.

Q18. What should a Grade 2 learner understand about Clockwise turns?

Answer: Time is read with clocks and calendars. Elapsed time tells how long passes between a start and an end.

Q19. What should a Grade 2 learner understand about Counterclockwise turns?

Answer: Time is read with clocks and calendars. Elapsed time tells how long passes between a start and an end.

Q20. What should a Grade 2 learner understand about Predicting a turned shape?

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

Q21. What should a Grade 2 learner understand about Matching original and moved 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 Movement on a grid?

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

Q23. What should a Grade 2 learner understand about Combining two movements?

Answer: Combining two movements 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 Describing a transformation in words?

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

Q25. What should a Grade 2 learner understand about Slide movement?

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

Q26. What should a Grade 2 learner understand about Turn movement?

Answer: Turn movement 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 Flip movement?

Answer: Flip movement 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 Quarter turns?

Answer: Quarter turns 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 Half turns?

Answer: Fractions begin with fair sharing. Equal parts must be the same size, and equal parts can be joined to make a whole.

Q30. What should a Grade 2 learner understand about Clockwise turns?

Answer: Time is read with clocks and calendars. Elapsed time tells how long passes between a start and an end.