Function Machine 3 Set the add or subtract function or choose a random surprise

Addition function machine cards          Add 1 – 5 within 10          Add 1 – 5 within 10 including inverse

Addition function machine cards          Add 1 – 9 within 20          Add 1 – 9 within 20 including inverse

Subtraction function machine cards          Subtract 1 – 5 within 10          Subtract 1 – 5 within 10 including inverse

Subtraction function machine cards          Subtract 1 – 9 within 20          Subtract 1 – 9 within 20 including inverse

Function Machine Puzzle Problem          A          B