If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

## Pre-algebra

### Course: Pre-algebra>Unit 5

Lesson 1: Meaning of exponents

# Squaring numbers

Learn how to square basic numbers and make a connection between squaring and the area of a square.
Let's start by taking a look at an example evaluating start color #11accd, 3, end color #11accd squared:
start color #11accd, 3, end color #11accd, squared, equals, start color #11accd, 3, end color #11accd, times, start color #11accd, 3, end color #11accd, equals, start color #1fab54, 9, end color #1fab54
Here's a question to make sure you got that:
What does it mean to square a number?

## Connection to a square

Finding start color #11accd, 3, end color #11accd, squared (read as "three squared") is the same as finding the area of a square with side length start color #11accd, 3, end color #11accd:

## Practice set:

Problem 1A
• Current
1, squared, equals

## Challenge set:

Problem 2A
• Current
a, squared, equals