Addition and Subtraction

Adding Three or More Numbers Lesson Plan: Operations and Algebraic Thinking

Grade Levels: K-3

Counting Back Lesson Plan: Operations and Algebraic Thinking

Grade Levels: K-3

Adding with Regrouping Lesson Plan: Operations and Algebraic Thinking

Grade Levels: K-3

Making Ten Lesson Plan: Operations and Algebraic Thinking

Grade Levels: K-3