Number Square or Square Number

A square number is the result when a number has been multiplied by itself.

Example: 25 is a square number because it is the result of multiplication 5 x 5.

This is also written as 5² (“five squared”). 5² =5×5 =25

We can find the square numbers by multiplying each number by itself:

1×1=1, 2×2=4, 3×3=9, 4×4=16, 5×5=25, 6×6=36 … or we can write 1², 2², 3², 4², 5², 6², 7², …………

Square numbers are: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169 ………etc

Here is a video : https://www.youtube.com/watch?v=rrCc2koIZUw

Here are some games with square numbers:

https://www.transum.org/Maths/Game/Square_Pairs and