Adding and Subtracting Within 1,000

• Overview

• 2.7 Unit Overview
• Where Eli Went

• Pre-Unit

• 2.7 Pre-Unit Check

• Sub-Unit 1: Adding Within `1,000` Using Place Value Strategies

  Add numbers within `1,000` using strategies based on place value, including problems where composing a ten and/or a hundred is necessary

• Investigate: Rebuilding the River Rock Bridge
• Turtle Hurdles
• There’s Something About Berries
• Baking With Skunk
• Beaver’s Sculpture Garden
• Sorting Addition Expressions
• Working With Others
• Asking for Help
• 2.7 Sub-Unit 1 Quiz

• Sub-Unit 2: Subtracting Within `1,000` Using Place Value Strategies

  Subtract numbers within `1,000` using strategies based on place value, including problems where decomposing a ten and/or a hundred is necessary.

• Don’t Worry, Bea’s Happy
• Counting Quills
• How Many Leaves?
• Bea’s Journey
• Frog’s Funplex
• Pond Games
• Sharing Ideas
• 2.7 Sub-Unit 2 Quiz

• Sub-Unit 3: Choosing Strategies to Add and Subtract Within `1,000`

  Add and subtract numbers within `1,000` using strategies based on the relationship between addition and subtraction and the properties of operations.

• Replacing Eli’s Quills
• Bea’s Beads
• Bye-Bye Beads
• Don’t Forget to Double Check, Bea!

• End-Unit

• 2.7 End-of-Unit Assessment

• Resources

• 2.7 Lesson Practice
• 2.7 Additional Practice
• 2.7 Show What You Know Collection

• Differentiation and Personalized Learning

• 2.7 Fluency Practice