Find out what multiples are and how to sort multiples of 2 and 5. Doubling numbers Learn how to make doubles using ten frames, addition and multiplication. Counting in twos, threes, fives and tens ...

In a land where people have forgotten how to do maths, our superheroes, Multiplication Boy and Division Girl, are called upon to save confused citizens from their maths-based predicaments! A series of ...

Most people know just one way to multiply two large numbers by hand. Typically, they learned it in elementary school. They’re often surprised to find that there are a variety of ways to do ...