If the two numbers in a place value column add up to ten or more, you must regroup. This means breaking a number up into thousands, hundreds and tens to help with the addition. Let's look at a ...

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...

Download the Addition & Subtraction lyric sheet so your class can sing along with the Geordie Pigeon. This Bitesize Primary animation explains additional methods for mental maths.