This is a great maths presentation to support young learners in mastering what one less is. Step by step explanations in a child friendly way, encouraging engagement and a high level of understanding. Inspired by White Rose Maths with a little more sparkle, to allow teaching in a child-friendly way. Children can use their own number lines whilst watching this presentation to say what they think one less will be. Other fabulous activities are available to compliment this powerpoint, available to download separately.