In this program, kids will learn about addition and subtraction equations. Common Core 1st Grade requirements on this subject are introduced, beginning with a review of the symbols for addition, subtraction, and equal to. How do we know if equations are true? What are the commutative and associative properties of addition? The answers to these questions are covered in depth with detailed graphics, diagrams, and exciting video. On-screen multiple-choice reviews at the end of each segment reinforce important concepts and make learning fun.

Originally released by Wonderscape Entertainment, 2016. Streaming video file encoded with permission for digital streaming by Infobase on October 05, 2017.

What Are the Words and Symbols Used to Show Addition and Subtraction? (7:07); --What Is the Commutative Property of Addition? (3:47); -- What Is the Associative Property of Addition? (6:05); -- Credits: Addition and Subtraction Equations (0:29); .