Lesson: Associative Property of Multiplication Mathematics • 3rd Grade

In this lesson, we will learn how to identify and apply the associative property of multiplication to multiply three one-digit numbers with products up to 10×10.

Lesson Plan

Students will be able to

define the associative property of multiplication,
use the associative property of multiplication to rewrite a given expression,
model the associative property using arrays,
use the associative property to evaluate a given numerical expression,
use the associative property to find a missing factor in a multiplication expression,
use the associative property of multiplication to solve word problems.

Lesson Video

Lesson Worksheet

Q1:

To draw a model to show , Chloe draws an array to show and uses the third number to tell her how many copies to make.

How can she draw a model to show ?

Is there the same number of squares in each model?

Which equation do the models prove?

Q2:

Compare the expressions. Pick the symbol that is missing.

Q3:

Sophia drew 5 arrays with 2 rows and 3 columns.

Use her picture to find the missing number. .

Find another expression that is equal to .