Khan Academy: Math: 3rd Grade: Represent Commutative Property of Multiplication

Unlock the keys to fluent multiplication with this upper-elementary math lesson. After an introduction to the five properties of multiplication, learners match cards with different math problems to posters describing each...

Math practice exercise on understanding the commutative property of multiplication, e.g.,using an array.

Math practice exercise on applying the commutative property of multiplication.

Math 4-problem practice exercise on understanding visual representations of the distributive property of multiplication.

Math practice exercise on repeated addition with multiplication.

Math 4-problem practice exercise on the distributive property of multiplication.

Explores what happens when multiplying numbers in a different order. [4:31]

Math practice exercise on using a number line to multiply.

This video [8:34] learn about changing the order of numbers or decomposing numbers to simplify multiplication problems.

In this video [6:08], learn to use the distributive property to break up 4 x 7 into smaller numbers.