Unit 8 Addition and Subtraction

Content Emphasis/ Big Ideas

In this unit, students develop fluency with addition and subtraction to 10. Students also begin developing reasoning (non-count-by-ones) strategies for solving addition and subtraction story/picture problems to 20. 

Standards:

• MTH.G1.7.b Demonstrate fluency with addition and subtraction within 10
• MTH.G1.6 Create and solve single-step story and picture problems using addition and subtraction within 20
• MTH.G1.15 Demonstrate an understanding of equality through the use of the equal symbol

Skills:

1. Adding and Subtracting within 10
2. Adding and Subtracting within 20
3. Understanding Equality through the use of the equal sign

Adding & Subtracting within 10

Instructional Videos

Adding Fluency 10

Subtracting Fluency 10

Practice Items

Addition Dogs Interactive Practice

Skills Based Games

Molly Adds to 10 Game

Molly Adds and Subtracts Game

Adding and Subtracting within 20

Instructional Videos

Practice Items

Open The Box Add & Subtract Interactive Practice

XRay Subtraction Practice

Skill Based Game

Game Show Add & Subtract to 20

Add & Subtract Balloon Pop Game

Understanding Equality through the use of the equal sign

Instructional Videos

Practice Items

Addition Scale Interactive Practice

Balance Equations Tiny Tap Interactive

Skill Based Game

Balance Equations Game

Game Show Balanced Equations

Additional Resources:

STMath (60 Minutes recommended per week)

AVMR Parent Resources Webpage with games & activities

Math at Home Grade 2