1. Subtract sizes
42 - 7.
1d+2d +/- (neg)
3 visual steps / signed number check
2. Keep larger sign
keep sign check.
3. Read answer
answer 35.
Practice Level 8
Use the visible move, then type only when the answer is clear.
Start Level3 visual steps / signed number check
42 - 7.
keep sign check.
answer 35.
Use the visible move, then type only when the answer is clear.
Start Level