Watch Miss Griffin demonstrate the strategy of using a number line to calculate subtraction sums.
Welcome to ‘Maths with Mrs Mason’. This video explains how to make a number line to 30. It also teaches the strategies of ‘counting on’ and ‘counting back‘ with a number line. These strategies are used by the children when completing addition and subtraction sums.
A video to show you how to subtract two two-digit numbers where exchanging is required. This means we are going to exchange 1 ten for 10 ones.
A short video showing you how we teach addition in Year 2.
A video to show you how to subtract two two-digit numbers where exchanging is not required.
A video to show you how we teach addition of two 2digit numbers where the ones total 10 or more.