# Singapore Dimensions Math: Level 2A – Teacher’s Guide

\$43.50

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.

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### A & B Books:

This program divides the school year into two semesters. “A” level books are for the first half of the school year. “B” level books are for the second half of the school year. You need both “A” and “B” material for a complete school year.

### Required Components:

Textbooks, Workbooks, and Guides (either Home Instructor’s Guides or Teacher’s Guides) are all necessary components. These three elements each serve a unique function and work together to build math mastery.

### Placement Test:

Singapore Math Placement Test

Chapter 1: Numbers to 1,000
Teaching 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 1
Teaching Notes
Chapter Opener
Lesson 2: Strategies for Subtraction
Lesson 3: Parts and Whole
Lesson 4: Comparison
Lesson 5: Practice
Workbook Solutions

Chapter 3: Addition and Subtraction — Part 2
Teaching Notes
Chapter Opener
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: Length
Teaching 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: Weight
Teaching Notes
Chapter Opener
Lesson 1: Grams
Lesson 2: Kilograms
Lesson 3: Pounds
Lesson 4: Practice
Review 1
Workbook Solutions

Chapter 6: Multiplication and Division
Teaching 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 10
Teaching 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