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 ...

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 ...