### Singapore Math

# Dimensions Math Teacher's Guide 3B

**Dimensions Math ^{®} Teacher's Guide 3B**

Chapter 8: Multiplying and Dividing with 6, 7, 8, and 9

Teaching Notes

Chapter Opener

Lesson 1: The Multiplication Table of 6

Lesson 2: The Multiplication Table of 7

Lesson 3: Multiplying by 6 and 7

Lesson 4: Dividing by 6 and 7

Lesson 5: Practice A

Lesson 6: The Multiplication Table of 8

Lesson 7: The Multiplication Table of 9

Lesson 8: Multiplying by 8 and 9

Lesson 9: Dividing by 8 and 9

Lesson 10: Practice B

Workbook Solutions

Chapter 9: Fractions — Part 1

Teaching Notes

Chapter Opener

Lesson 1: Fractions of a Whole

Lesson 2: Fractions on a Number Line

Lesson 3: Comparing Fractions with Like Denominators

Lesson 4: Comparing Fractions with Like Numerators

Lesson 5: Practice

Workbook Solutions

Chapter 10: Fractions — Part 2

Teaching Notes

Chapter Opener

Lesson 1: Equivalent Fractions

Lesson 2: Finding Equivalent Fractions

Lesson 3: Simplifying Fractions

Lesson 4: Comparing Fractions — Part 1

Lesson 5: Comparing Fractions — Part 2

Lesson 6: Practice A

Lesson 7: Adding and Subtracting Fractions — Part 1

Lesson 8: Adding and Subtracting Fractions — Part 2

Lesson 9: Practice B

Workbook Solutions

Chapter 11: Measurement

Teaching Notes

Chapter Opener

Lesson 1: Meters and Centimeters

Lesson 2: Subtracting from Meters

Lesson 3: Kilometers

Lesson 4: Subtracting from Kilometers

Lesson 5: Liters and Milliliters

Lesson 6: Kilograms and Grams

Lesson 7: Word Problems

Lesson 8: Practice

Review 3

Workbook Solutions

Chapter 12: Geometry

Teaching Notes

Chapter Opener

Lesson 1: Circles

Lesson 2: Angles

Lesson 3: Right Angles

Lesson 4: Triangles

Lesson 5: Properties of Triangles

Lesson 6: Properties of Quadrilaterals

Lesson 7: Using a Compass

Lesson 8: Practice

Workbook Solutions

Chapter 13: Area and Perimeter

Teaching Notes

Chapter Opener

Lesson 1: Area

Lesson 2: Units of Area

Lesson 3: Area of Rectangles

Lesson 4: Area of Composite Figures

Lesson 5: Practice A

Lesson 6: Perimeter

Lesson 7: Perimeter of Rectangles

Lesson 8: Area and Perimeter

Lesson 9: Practice B

Workbook Solutions

Chapter 14: Time

Teaching Notes

Chapter Opener

Lesson 1: Units of Time

Lesson 2: Calculating Time — Part 1

Lesson 3: Practice A

Lesson 4: Calculating Time — Part 2

Lesson 5: Calculating Time — Part 3

Lesson 6: Calculating Time — Part 4

Lesson 7: Practice B

Workbook Solutions

Chapter 15: Money

Teaching Notes

Chapter Opener

Lesson 1: Dollars and Cents

Lesson 2: Making $10

Lesson 3: Adding Money

Lesson 4: Subtracting Money

Lesson 5: Word Problems

Lesson 6: Practice

Review 4

Review 5

Workbook Solutions

Click here to view samples of Dimensions Math^{®} Teacher's Guide 3B.

**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**9781947226371