This is really useful with videos to explain Key Stage 2 Maths and practise sheets to help with retaining this learning
Addition and Subtraction
Use this link to Topmarks to explore a range of different activities for EYFS children to explore calculation.
Subtraction on a Number Line
A great activity for exploring subtraction on a number line. Suitable for all year groups as you can choose the level you work at.
Multiplication and Division