A whole number multiplied by itself gives you a square number. They’re called square numbers because they can be made into a square shape. But there is no need to flap, there is a quick way to write ...

What is a 100 square? A 100 square shows the numbers 1 to 100 on a grid. Each row has 10 numbers on it. At the end of each row is a multiple of ten. You can use the 100 square to count from 1 to 100 ...

Today we learned about square and rectangular numbers! But why do we call some numbers square and others rectangular? A number is considered a square or rectangular number based on the shape it makes!