• Unit Overview

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

• Lesson 1

  • Part 1: Strategies for Estimating Quantities
  • Part 2: Computational Estimation
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 2

  • Developing the Lesson
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 3

  • Developing the Lesson
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 4

  • Part 1: Solving Addition Problems with No Trades
  • Part 2: Solving Addition Problems That Involve Trades
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 5

  • Part 1: The Expanded-Form Method
  • Part 2: The All-Partials Method
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 6

  • Part 1: Making Connections between Strategies
  • Part 2: The Compact Method
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 7

  • Before the Lesson
  • Part 1: Addition Strategies Practice
  • Part 2: Mental Math Games
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 8

  • Developing the Lesson
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

Lesson 6

Two Paper-and-Pencil Methods

Est. Class Sessions: 2

Daily Practice and Problems

X

Teacher Notes

X

It will land on 24. Discuss patterns as well as strategies. One possible strategy:

V. Moving with Base-Ten Hoppers

Show two ways to start at 43 and move back 19. Where does the
hopper land? _________________________________________

First way:

Second way: