Subtraction Circles- NRICH

Launch: Sponge and bucket of water activity. Get water from one bucket to another using only a sponge. Explore: Make{...}

A pair of friends receive a box of smarties. Pose the Question – Which colour is the most popular (prevalent){...}

Maths talk Have a variety of different numbers on the board. How can we sort these numbers. How many different{...}