Empty Box Problems Subtraction
6 - 3 = 3 If you start on 6 and jump back 3 spaces you land on
= 6 If you start on 11 and jump back 5 spaces you land on
6 - 2 = 4 You need to go back 2 jumps on the number track to get from 6 to
8 - 3 = 5 You need to go back 3 jumps on the number track to get from 8 to
= 10 You need to go back 4 jumps on the number track to get from 14 to
9 - 4 = 5 You have to start on 5 (the total) and move forward 4 jumps to work out the starting number
= 8 You have to start on 8 (the total) and move forward 5 jumps to work out the starting number
Now try these… = = = = = = 2