Chapter 1 Understand Multiplication and Division
Lesson 1.1 Use Equal Groups to Multiply


Lesson 1.2 Use Number Lines to Multiply

Lesson 1.3 Use Arrays to Multiply


Lesson 1.4 Multiply in Any Order Commutative Property of Multiplication


Lesson 1.5 Divide Size of Equal Groups
Lesson 1.6 Divide Number of Equal Groups
Lesson 1.7 Use Number Lines to Divide