Squares 01 – Basics

Table of Contents

• Square of a Number

– Square of Negative Numbers

• Summary
• What’s Next?

In this segment, we will learn what the Square of a number is.

What is the Square of a number?

If a number m can be expressed as ?², then m is a Square number. That is, m is the square of n.

For example, 25 = 5².Therefore 25 is the square of 5.

In 5², 5 is the base and 2 is the exponent. It is read as ‘5 raised to 2’ or ‘5 squared’.

What is the square of a negative number?

A square of a number is always non-negative.

For example, (−7)² = −7 × −7 = 49

Summary

Square Number

A number m expressed as ?2 Always non-negative

What’s next?

In the next segment of Class 8 Maths, we will learn how to find the square of a number.