Instructional Video
Imagine Learning Classroom

Learn Zillion: Adding and Subtracting Using Doubles Facts

2nd Standards
In this lesson, you will learn to add and subtract by using doubles. [3:42]
Instructional Video
Math Mammoth

Math Mammoth: Number Rainbow and Fact Families With 12

2nd Standards
Teaches strategies for learning the addition and subtraction facts for 12 using a number rainbow. Students are then presented with a subtraction facts drill where they practice along to the video. [6:40]