Wrapping Up Addition and Subtraction Within 1,000

• Overview

• 3.3 Unit Overview
• The View From Up Here

• Pre-Unit

• 3.3 Pre-Unit Check

• Sub-Unit 1: Adding Within `1,000`

  Fluently add within `1,000` using algorithms based on place value and properties of operations.

• Investigate: Creating a Photo Gallery
• Panda Patterns
• How Would You Solve It?
• Adding Three-Digit Numbers
• What Is an Algorithm?
• Using Fewer Digits
• Determining Sums of 2 or More Addends
• Adding Strategically
• 3.3 Sub-Unit 1 Quiz

• Sub-Unit 2: Subtracting Within `1,000`

  Fluently subtract within `1,000` using algorithms based on place value, properties of operations, and the relationship between addition and subtraction.

• Subtracting Three-Digit Numbers
• Subtracting With an Algorithm
• A New Algorithm
• Dynamic Decompositions
• Subtracting From Zero?
• Subtracting Strategically
• 3.3 Sub-Unit 2 Quiz

• Sub-Unit 3: Rounding Within `1,000`

  Round whole numbers to the nearest multiple of `10` or `100`.

• Nearest on a Number Line
• Close Catch
• What’s the Goal?
• Mystery Numbers
• 3.3 Sub-Unit 3 Quiz

• Sub-Unit 4: Solving Two-Step Problems

  Solve two-step story problems and assess the reasonableness of solutions using addition, subtraction, and multiplication.

• Does It Make Sense?
• Rep-re-sent!
• Representing Information
• Through the Lens of Numbers

• End-Unit

• 3.3 Performance Task

• Resources

• Differentiation and Personalized Learning

• 3.3 Personalized Learning