How Many Jumps? An Addition/ Subtraction Warm up

https://nrich.maths.org/2858/note What are all the possibilities of the balls landing? Prove to someone else that you have got all the{...}

Two circles: On one circle favourite colour red the other circle favourite colour blue. If anyone like both it goes{...}

The players take turns to turn over two playing cards. When the two numbers are added, if they make less{...}