Ever wanted to impress everyone by solving complex multiplication problems in your head, without needing a pencil or paper? It's not magic; it's mental math—a superpower you can learn! This article is ...

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 ...

A decimal number is any number made up of the digits 0 to 9. This can include whole numbers and numbers less than 1. You can use a decimal point to show which digits are whole numbers and which are ...