Topic 1 - Adding & Subtracting within 20

Adding within 20 Pt. 1

Adding within 20 Pt. 2

Adding within 20 Pt. 3

Adding within 20 Pt. 4

Topic 2 - Intro to Multiplication

Even & Odd Numbers

Skip Counting - 5

Skip Counting - 10

Skip Counting - 100

Equal Groups

Repeated Addition Pt. 1

Repeated Addition Pt. 2

Topic 3 & Topic 4 - Adding within 100

Adding 2-Digit Numbers

Understanding Place Value

Understanding Place Value

Using a Number Line

Breaking Apart 2-Digit

Making Groups of 10

Groups of 10 pt. 2

Other Strategies