### Singapore Math

# Dimensions Math Teacher's Guide PreK-B

**Dimensions Math ^{®} Teacher's Guide PKB**Chapter 8: Ordinal Numbers

Teaching Notes

Chapter Opener

Lesson 1: First

Lesson 2: Second and Third

Lesson 3: Fourth and Fifth

Lesson 4: Practice

Workbook Pages

Chapter 9: Shapes and Solids

Teaching Notes

Chapter Opener

Lesson 1: Cubes, Cylinders, and Spheres

Lesson 2: Cubes

Lesson 3: Positions

Lesson 4: Build with Solids

Lesson 5: Rectangles and Circles

Lesson 6: Squares

Lesson 7: Triangles

Lesson 8: Squares, Circles, Rectangles, and Triangles — Part 1

Lesson 9: Squares, Circles, Rectangles, and Triangles — Part 2

Lesson 11: Practice

Chapter 10: Compare Sets Workbook Pages

Teaching Notes

Chapter Opener

Lesson 1: Match Objects

Lesson 2: Which Set Has More?

Lesson 3: Which Set Has Fewer?

Lesson 4: More or Fewer?

Lesson 5: Practice

Workbook Pages

Chapter 11: Compose and Decompose

Teaching Notes

Chapter Opener

Lesson 1: Altogether — Part 1

Lesson 2: Altogether — Part 2

Lesson 3: Show Me

Lesson 4: What’s the Other Part? — Part 1

Lesson 5: What’s the Other Part? — Part 2

Lesson 6: Practice

Workbook Pages

Chapter 12: Explore Addition and Subtraction

Teaching Notes

Chapter Opener

Lesson 1: Add to 5 — Part 1

Lesson 2: Add to 5 — Part 2

Lesson 3: Two Parts Make a Whole

Lesson 4: How Many in All?

Lesson 5: Subtract Within 5 — Part 1

Lesson 6: Subtract Within 5 — Part 2

Lesson 7: How Many Are Left?

Lesson 8: Practice

Workbook Pages

Chapter 13: Cumulative Review

Teaching Notes

Chapter Opener

Lesson 1: **Review 1** Match and Color

Lesson 2: **Review 2** Big and Small

Lesson 3: **Review 3** Heavy and Light

Lesson 4: **Review 4** Count to 5

Lesson 5: **Review 5** Count 5 Objects

Lesson 6: **Review 6** 0

Lesson 7: **Review 7** Count Beads

Lesson 8: **Review 8** Patterns

Lesson 9: **Review 9** Length

Lesson 10: **Review 10** How Many?

Lesson 11: **Review 11** Ordinal Numbers

Lesson 12: **Review 12** Solids and Shapes

Lesson 13: **Review 13** Which Set Has More?

Lesson 14: **Review 14** Which Set Has Fewer?

Lesson 15: **Review 15** Put Together

Lesson 16: **Review 16** Subtraction

Lesson 17: **Looking Ahead 1** Sequencing — Part 1

Lesson 18: **Looking Ahead 2** Sequencing — Part 2

Lesson 19: **Looking Ahead 3** Categorizing

Lesson 20: **Looking Ahead 4** Addition

Lesson 21: **Looking Ahead 5** Subtraction

Lesson 22: **Looking Ahead 6** Getting Ready to Write Numerals

Lesson 23: **Looking Ahead 7** Reading and Math

Workbook Pages

Blackline Masters for PKB

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**Dimensions Math ^{®}**

**PreK-5 series**features the progression, rigor, and pacing that define Singapore math. Throughout the series, five characters offer students suggestions on how to think about problems. They remind students of strategies they’ve learned and point out important information that encourages them to come up with their own solutions.

Teacher’s Guides include lesson plans, mathematical background, games, helpful suggestions, and comprehensive resources for daily lessons. Lessons are laid out clearly and activities are designed for the whole class, small groups, and extension.

**Textbooks and Workbooks do not include answer keys. Answers are in Teacher's Guides.**

**ISBN**9781947226296