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 ...

Sometimes you will have to substitute a number into an expression with a square number. Remember when a number is squared it is multiplied by itself. This is straightforward when you have a positive ...

Today Múinteor Ray taught us about mental maths. That is maths that we do without using pens or pencils. Activity 1: Guess My Number Game This is one of Múinteor Ray's favourite game! It’s really fun ...