Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 55 · 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. 1.176 − 99 =
2. 2.481 − 16 =
3. 3.396 − 17 =
4. 4.64 − 19 =
5. 5.72 − 39 =
6. 6.263 − 27 =
7. 7.402 − 87 =
8. 8.200 − 26 =
9. 9.443 − 17 =
10. 10.424 − 66 =
11. 11.481 − 28 =
12. 12.77 − 57 =
13. 13.125 − 96 =
14. 14.498 − 98 =
15. 15.562 − 76 =
16. 16.114 − 68 =
17. 17.237 − 28 =
18. 18.175 − 76 =
19. 19.150 − 46 =
20. 20.76 − 67 =
21. 21.402 − 16 =
22. 22.272 − 16 =
23. 23.590 − 69 =
24. 24.87 − 46 =
25. 25.231 − 97 =
26. 26.453 − 89 =
27. 27.590 − 29 =
28. 28.244 − 58 =
29. 29.558 − 96 =
30. 30.187 − 39 =
31. 31.332 − 66 =
32. 32.107 − 58 =
33. 33.101 − 98 =
34. 34.182 − 17 =
35. 35.88 − 29 =
36. 36.429 − 39 =
37. 37.284 − 89 =
38. 38.518 − 59 =
39. 39.385 − 67 =
40. 40.490 − 18 =

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