Unit 1 Review Addition and Subtraction Basic Facts and Strategies

In Unit 1 students will:

  •  Review addition strategies taught in grades 1 & 2. 
  •  Review subtraction strategies taught in grades 1 & 2.

By the end of Unit 1 your child should be able to answer the following questions:

  •   How do addition and subtraction strategies help me to become more fluent with my facts?
  •   Why do the addition and subtraction strategies that I have been taught work and how do they help me?

The following videos explain some of the topics covered in Unit 1.

Properties of Addition; Commutative vs. Associative

 Mental Math Strategies for Addition

Number Partners of Ten

Fact Families