Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 357 · 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. 1.581 − 77 =
2. 2.192 − 66 =
3. 3.441 − 59 =
4. 4.294 − 16 =
5. 5.373 − 37 =
6. 6.479 − 97 =
7. 7.526 − 98 =
8. 8.312 − 78 =
9. 9.331 − 58 =
10. 10.225 − 16 =
11. 11.163 − 89 =
12. 12.299 − 59 =
13. 13.194 − 17 =
14. 14.191 − 49 =
15. 15.313 − 49 =
16. 16.183 − 48 =
17. 17.266 − 96 =
18. 18.410 − 78 =
19. 19.372 − 26 =
20. 20.309 − 56 =
21. 21.413 − 49 =
22. 22.211 − 66 =
23. 23.398 − 26 =
24. 24.426 − 26 =
25. 25.268 − 29 =
26. 26.500 − 96 =
27. 27.202 − 39 =
28. 28.429 − 18 =
29. 29.64 − 26 =
30. 30.560 − 46 =
31. 31.137 − 26 =
32. 32.351 − 79 =
33. 33.424 − 28 =
34. 34.588 − 38 =
35. 35.415 − 68 =
36. 36.108 − 78 =
37. 37.55 − 16 =
38. 38.220 − 76 =
39. 39.315 − 26 =
40. 40.361 − 86 =

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