• 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: Base-Ten Review with Number Sentences
  • Part 2: Base-Ten Shorthand Review
  • Part 3: Fewest Pieces Rule
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 2

  • Part 1: Big Base-Ten Hoppers
  • Part 2: Helping Professor Peabody
  • 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: Sharing Addition Strategies
  • Part 2: Adding with Base-Ten Pieces and Paper-and-Pencil Methods
  • Part 3: Choosing Appropriate Strategies
  • Part 4: Using Base-Ten Pieces to Estimate
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 5

  • Part 1: Mental Math Strategies for Subtraction
  • Part 2: Subtracting with Base-Ten Pieces
  • Part 3: Subtracting with the Traditional Algorithm
  • Part 4: Checking with Addition
  • Part 5: Showing Work with Expanded Form
  • Part 6: Using Mental Math to Subtract
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 6

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

• Lesson 7

  • Before the Lesson
  • Part 1: Digits Game
  • Part 2: Workshop
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 8

  • Before the Lesson
  • Part 1: Exploring Strategies for Solving Multiplication Problems
  • Part 2: Using Rectangles and Expanded Form to Multiply
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

• Lesson 9

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

• Lesson 10

  • Part 1: Building a Multiplication Strategies Menu
  • Part 2: Multiplication Problems
  • Summarizing the Lesson
  • Homework and Practice
  • Answer Keys

Lesson 6

Adding and Subtracting in Space

Est. Class Sessions: 2

Daily Practice and Problems

X

Teacher Notes

X

TIMS Task

Answers will vary. Possible responses:

368 + 1 + 1 + 10 + 10 + 10 + 100 + 100 + 100 + 100 + 100 + 100 = 1000

or

368 + 600 + 2 + 30 = 1000

V. More Hopping

Show two ways a base-ten hopper can start at 368 and move to get to 1000. Write a number sentence for both ways.

Number sentence: __________________________________________________

Number sentence: __________________________________________________