Jelly Beans Addition and Subtraction

This matrix contains many different areas of maths and is great if you want to use it for a CRT{...}

Have the numbers 0 to 9 in a container. (Use playing cards)  As each number is randomly drawn from the{...}

https://docs.google.com/document/d/1QRz70V-KcNm-C_2jZbEMc0CIPYMztPXqV2dKlk-Tww0/edit?usp=sharing{...}