Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 291 · 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. 1.159 − 96 =
2. 2.460 − 56 =
3. 3.155 − 66 =
4. 4.150 − 37 =
5. 5.542 − 16 =
6. 6.492 − 66 =
7. 7.180 − 37 =
8. 8.585 − 58 =
9. 9.576 − 58 =
10. 10.459 − 86 =
11. 11.414 − 87 =
12. 12.413 − 39 =
13. 13.241 − 87 =
14. 14.490 − 98 =
15. 15.399 − 57 =
16. 16.147 − 96 =
17. 17.224 − 18 =
18. 18.175 − 26 =
19. 19.68 − 46 =
20. 20.225 − 59 =
21. 21.424 − 68 =
22. 22.227 − 26 =
23. 23.413 − 36 =
24. 24.109 − 46 =
25. 25.436 − 78 =
26. 26.212 − 47 =
27. 27.515 − 19 =
28. 28.54 − 29 =
29. 29.462 − 89 =
30. 30.285 − 27 =
31. 31.328 − 29 =
32. 32.533 − 57 =
33. 33.381 − 67 =
34. 34.551 − 97 =
35. 35.159 − 37 =
36. 36.417 − 26 =
37. 37.569 − 28 =
38. 38.583 − 77 =
39. 39.374 − 47 =
40. 40.105 − 38 =

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