Primary Mathematics Home Instructor’s Guide 2A (2022 Edition)

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Intended to accompany the Student Book, the Home Instructor’s Guide provides Student Book answers, select worked solutions, teaching ideas, and strategies to facilitate exploration, discussion, and student-centered learning. The front matter provides background on the program structure, lesson and concept development, and an overview of the Readiness-Engagement-Mastery model of learning.

Table of Contents:

Chapter 1: Numbers to 1,000
- 1A: Count to 1,000
- 1B: Number Patterns
- 1C: Compare and Order Numbers
- 1D: Number Lines
- 1E: Count Money
Chapter 2: Addition Within 1,000
- 2A: Add Fluently Within 20
- 2B: Add Tens or Hundreds
- 2C: Add Without Renaming
- 2D: Add With Renaming
- 2E: Add Three or Four 2-Digit Numbers
Chapter 3: Subtraction Within 1,000
- 3A: Subtract Ones Fluently Within 20
- 3B: Subtract Tens or Hundreds
- 3C: Subtract Without Renaming
- 3D: Subtract With Renaming
- 3E: Relate Addition and Subtraction
Chapter 4: Addition and Subtraction Using Bar Models
- 4A: Sum and Difference
- 4B: Part-Whole Model
- 4C: Comparison Model
- 4D: Word Problems