Dimensions Math Teacher’s Guide 2A



Singapore Math Inc.







SKU: DMTG2A Categories: , Tag:

Teacher’s guides are a comprehensive resource for achieving lesson objectives. They include background information, detailed lesson plans, helpful suggestions, and activities. They help educators understand the purpose of each lesson within the context of the curriculum. A high level of educator involvement is essential for success in this program.

Note: Hard cover. Spiral-bound. Manipulative Kits (sold separately) include all the essential manipulatives used in Teacher’s Guides activities.

Sample Pages

Table of Contents

Chapter 1: Numbers to 1,000Teaching Notes
Chapter Opener
Lesson 1: Tens and Ones
Lesson 2: Counting by Tens or Ones
Lesson 3: Comparing Tens and Ones
Lesson 4: Hundreds, Tens, and Ones
Lesson 5: Place Value
Lesson 6: Comparing Hundreds, Tens, and Ones
Lesson 7: Counting by Hundreds, Tens, or Ones
Lesson 8: Practice
Workbook Solutions

Chapter 2: Addition and Subtraction — Part 1Teaching Notes
Chapter Opener
Lesson 1: Strategies for Addition
Lesson 2: Strategies for Subtraction
Lesson 3: Parts and Whole
Lesson 4: Comparison
Lesson 5: Practice
Workbook Solutions

Chapter 3: Addition and Subtraction — Part 2Teaching Notes
Chapter Opener
Lesson 1: Addition Without Regrouping
Lesson 2: Subtraction Without Regrouping
Lesson 3: Addition with Regrouping Ones
Lesson 4: Addition with Regrouping Tens
Lesson 5: Addition with Regrouping Tens and Ones
Lesson 6: Practice A
Lesson 7: Subtraction with Regrouping from Tens
Lesson 8: Subtraction with Regrouping from Hundreds
Lesson 9: Subtraction with Regrouping from Two Places
Lesson 10: Subtraction with Regrouping across Zeros
Lesson 11: Practice B
Lesson 12: Practice C
Workbook Solutions

Chapter 4: LengthTeaching Notes
Chapter Opener
Lesson 1: Centimeters
Lesson 2: Estimating Length in Centimeters
Lesson 3: Meters
Lesson 4: Estimating Length in Meters
Lesson 5: Inches
Lesson 6: Using Rulers
Lesson 7: Feet
Lesson 8: Practice
Workbook Solutions

Chapter 5: WeightTeaching Notes
Chapter Opener
Lesson 1: Grams
Lesson 2: Kilograms
Lesson 3: Pounds
Lesson 4: Practice
Review 1
Workbook Solutions

Chapter 6: Multiplication and DivisionTeaching Notes
Chapter Opener
Lesson 1: Multiplication — Part 1
Lesson 2: Multiplication — Part 2
Lesson 3: Practice A
Lesson 4: Division — Part 1
Lesson 5: Division — Part 2
Lesson 6: Multiplication and Division
Lesson 7: Practice B
Workbook Solutions

Chapter 7: Multiplication and Division of 2, 5, and 10Teaching Notes
Chapter Opener
Lesson 1: The Multiplication Table of 5
Lesson 2: Multiplication Facts of 5
Lesson 3: Practice A
Lesson 4: The Multiplication Table of 2
Lesson 5: Multiplication Facts of 2
Lesson 6: Practice B
Lesson 7: The Multiplication Table of 10
Lesson 8: Dividing by 2
Lesson 9: Dividing by 5 and 10
Lesson 10: Practice C
Lesson 11: Word Problems
Review 2
Workbook Solutions

Blackline Masters for 2A