Math Videos

This page is dedicated to videos within each unit. Every lesson has a Math Replay Video that helps provide insight into the lessons objectives. Feel free to utilize this page for helpful videos. These videos will be updated to reflect the unit we are currently working in. Hope this resource is helpful for you!

Unit 9: Strategies to Add 3 Digit. Numbers

Family Letter for Unit 10

Lesson 1: Use Mental Math to Subtract 10 or 100

Lesson 2: Represent Subtraction with 3 Digit Numbers

Lesson 3: Decompose One 3-Digit Number to Count Back

Lesson 4: Count On to Subtract 3-Digit Numbers

Lesson 5: Regroup Tens

Lesson 6: Regroup Tens and Hundreds

Lesson 7: Adjust Numbers to Subtract 3-Digit Numbers

Lesson 8: Explain Subtraction Strategies

Lesson 9: Solving Problems Involving Addition and Subtraction