Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 122 · 40 questions

The fast method (Shift both): How much makes the second number round? 68 needs 2 to make 70. Add that amount to BOTH numbers. Take away the round number.

1. 1.337 − 76 =
2. 2.522 − 28 =
3. 3.373 − 88 =
4. 4.233 − 46 =
5. 5.220 − 46 =
6. 6.380 − 57 =
7. 7.501 − 58 =
8. 8.235 − 99 =
9. 9.52 − 16 =
10. 10.179 − 97 =
11. 11.147 − 66 =
12. 12.266 − 58 =
13. 13.569 − 18 =
14. 14.562 − 57 =
15. 15.358 − 66 =
16. 16.434 − 96 =
17. 17.506 − 19 =
18. 18.315 − 78 =
19. 19.120 − 38 =
20. 20.320 − 78 =
21. 21.502 − 66 =
22. 22.456 − 56 =
23. 23.252 − 79 =
24. 24.474 − 38 =
25. 25.233 − 27 =
26. 26.450 − 57 =
27. 27.278 − 68 =
28. 28.378 − 96 =
29. 29.566 − 36 =
30. 30.504 − 87 =
31. 31.81 − 17 =
32. 32.107 − 58 =
33. 33.316 − 86 =
34. 34.203 − 66 =
35. 35.354 − 48 =
36. 36.519 − 39 =
37. 37.258 − 78 =
38. 38.194 − 96 =
39. 39.474 − 67 =
40. 40.426 − 88 =

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths