Subtraction with exchange When you use the column method to subtract two numbers, the larger number goes above the smaller number. You then subtract digits from each column, starting with the ones.

Decompose numbers to subtract. Engage in a Number Talk focused on subtraction strategies. Can you solve the problem without pencil and paper? Play a fun subtraction game called "Less than 10".

Find out about the column method to subtract more than 4-digit numbers with this Year 5 article from BBC Bitesize.