Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 711 · 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. 1.111 − 38 =
2. 2.503 − 27 =
3. 3.496 − 78 =
4. 4.158 − 99 =
5. 5.307 − 29 =
6. 6.448 − 49 =
7. 7.237 − 19 =
8. 8.350 − 89 =
9. 9.319 − 27 =
10. 10.193 − 68 =
11. 11.100 − 38 =
12. 12.94 − 87 =
13. 13.583 − 39 =
14. 14.572 − 67 =
15. 15.585 − 66 =
16. 16.301 − 76 =
17. 17.189 − 58 =
18. 18.302 − 78 =
19. 19.324 − 17 =
20. 20.267 − 79 =
21. 21.152 − 69 =
22. 22.298 − 56 =
23. 23.76 − 26 =
24. 24.306 − 46 =
25. 25.123 − 97 =
26. 26.177 − 29 =
27. 27.180 − 86 =
28. 28.297 − 77 =
29. 29.71 − 58 =
30. 30.587 − 56 =
31. 31.131 − 79 =
32. 32.575 − 99 =
33. 33.297 − 77 =
34. 34.511 − 97 =
35. 35.212 − 96 =
36. 36.426 − 59 =
37. 37.74 − 16 =
38. 38.162 − 79 =
39. 39.300 − 19 =
40. 40.294 − 19 =

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