Subtract 3-digit from thousand

Solve these mental math problems!

1) Solve
4000-235=
2) Solve
6000-980=
3) Solve
4000-323=
4) Solve
2000-537=
5) Solve
3000-453=
6) Solve
7000-300=
7) Solve
5000-488=
8) Solve
2000-117=
9) Solve
5000-826=
10) Solve
1000-635=
11) Solve
7000-487=
12) Solve
2000-392=
Digit ChampsMaking Math an Adventure
DIGITCHAMPS.COM© 2026