Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 140 · 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. 1.290 − 76 =
2. 2.179 − 88 =
3. 3.295 − 96 =
4. 4.170 − 87 =
5. 5.573 − 98 =
6. 6.304 − 86 =
7. 7.361 − 16 =
8. 8.269 − 77 =
9. 9.518 − 56 =
10. 10.577 − 68 =
11. 11.172 − 78 =
12. 12.167 − 28 =
13. 13.165 − 16 =
14. 14.195 − 66 =
15. 15.428 − 28 =
16. 16.158 − 28 =
17. 17.599 − 47 =
18. 18.163 − 87 =
19. 19.260 − 38 =
20. 20.507 − 76 =
21. 21.58 − 17 =
22. 22.351 − 59 =
23. 23.534 − 28 =
24. 24.341 − 19 =
25. 25.455 − 58 =
26. 26.317 − 19 =
27. 27.149 − 29 =
28. 28.183 − 59 =
29. 29.453 − 68 =
30. 30.329 − 78 =
31. 31.159 − 98 =
32. 32.194 − 17 =
33. 33.396 − 87 =
34. 34.371 − 67 =
35. 35.194 − 17 =
36. 36.550 − 48 =
37. 37.370 − 49 =
38. 38.539 − 56 =
39. 39.161 − 36 =
40. 40.419 − 29 =

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