Did you know that you can make any number into a multiplication problem? Just multiply it by 1. For example: 3 = 1 × 3

You learned that repeated addition can be rewritten using multiplication. But what if the numbers in a sum are not all equal? Can you still use multiplication? The answer is 

How to Simplify Sums Using Multiplication

Practice simplifying sums using multiplication on the next page.

The result of multiplying numbers together.

Mathagon

Multiplication Terms

Turn Sums into Multiplication

Multiply by 0

Simplifying Sums

Number Line for Multiplication

Swap Factors

Factor Swapping

What Is Multiplication?

Introduction

You learned that repeated addition can be rewritten using multiplication. But what if the numbers in a sum are not all equal? Can you still use multiplication? The answer is yes!