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!

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 ...

A prime number is a number with exactly two factors. Prime numbers are only divisible by 1 and itself. Another way to think of prime numbers is that they are only ever found as answers in their own ...