This is a great way for children to practise + and – problems without there being any words. Some people know them as part-part-whole models. Whatever you call them they are a great visual way to children to explore + and - in a different way. There are three pages of worksheets starting with pictures in the bar model and ending up with numbers in the bar models. Also there is a Powerpoint explaining how the bar models works!

30 hidden pictures to discover through colouring by using maths. It covers lots of different number and calculation objectives. Children in Year 3 and 4 and above enjoy colouring in each picture, using their Maths knowledge. Each page/picture is linked to a Year 3 or Year 4 mathematics objective, which is outlined in the contents page.