What you need to know

Things to remember:

  • Because you should know your times tables up to 12×12, you should know all the square numbers up to 12^2
  • You need to learn the cube numbers up to 5^3

A square has side lengths of 5cm.

How do we find the area of a square? We multiply the sides together!

5\times5=25

Area = 25cm^2

And this is exactly how we make squares numbers; we multiply a number by itself! Because we should know our times tables up to 12×12, we should be able to learn our squared numbers up to 12×12.

1^2=1\times1=1

2^2=2\times2=4

3^2=3\times3=9

4^2=4\times4=16

5^2=5\times5=25

6^2=6\times6=36

7^2=7\times7=49

8^2=8\times8=64

9^2=9\times9=81

10^2=10\times10=100

11^2=11\times11=121

12^2=12\times12=144

 

Cubed numbers are only a little trickier, we just multiply a number by itself twice.

1^3=1\times1\times1=1

2^3=2\times2\times2=8

3^3=3\times3\times3=27

4^3=4\times4\times4=64

5^3=5\times5\times5=125

Example Questions

Question 1: What is 7^2?

Answer

7^2=7\times7=49

Question 2: What is 4^3?

Answer

4^3=4\times4\times4=64