Curriculum Library

Operations & Algebraic Thinking Unit 3: Apply Properties and Relationships

Key Concept: Commutativity and associativity can be used to strategically add quantities.

Lesson Sequences

This topic is still in development.

Key Concept: Addition and subtraction are related operations.

Lesson Sequences

O.3-2-3 Relate Addition and Subtraction with Number Bonds  |
Lesson Plan
View Teacher-Facilitated Lesson Students begin to understand the relationship between addition and subtraction using a number bond representation.  (35-45 min)