• Unit Overview

  • Letter Home
  • Unit Preparation
  • Mathematics in this Unit
  • Assessment in this Unit
  • Key Assessment Opportunities Chart
• Daily Practice and Problems
• Home Practice

• Lesson 1

  • Part 1: Representing One Thousand
  • Part 2: Connect Representations of Multidigit Numbers
  • Summarizing the Lesson
  • Homework and Practice
  • Literature Connection
  • Answer Keys

• Lesson 2

  • Part 1: Estimation Strategies
  • Part 2: Use Estimation to Determine Reasonableness
  • Summarizing the Lesson
  • Homework and Practice
  • Literature Connection
  • Answer Keys

• Lesson 3

  • Part 1: Making Connections between Strategies
  • Part 2: Choose a Strategy
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 4

  • Part 1: Using Estimation Strategies
  • Part 2: Subtraction Strategies for Larger Numbers
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 5

  • Part 1: Making Connections between Strategies
  • Part 2: Choosing a Strategy
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 6

  • Before the Lesson
  • Part 1: Multidigit Addition Strategies
  • Part 2: Multidigit Subtraction Strategies
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

Lesson 2