Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 34 · 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. 1.587 − 56 =
2. 2.409 − 59 =
3. 3.93 − 39 =
4. 4.303 − 77 =
5. 5.283 − 46 =
6. 6.410 − 47 =
7. 7.76 − 69 =
8. 8.361 − 56 =
9. 9.308 − 66 =
10. 10.429 − 49 =
11. 11.156 − 59 =
12. 12.80 − 69 =
13. 13.208 − 87 =
14. 14.295 − 17 =
15. 15.274 − 99 =
16. 16.52 − 36 =
17. 17.577 − 88 =
18. 18.259 − 49 =
19. 19.139 − 78 =
20. 20.389 − 48 =
21. 21.137 − 78 =
22. 22.378 − 39 =
23. 23.143 − 28 =
24. 24.138 − 58 =
25. 25.568 − 49 =
26. 26.598 − 79 =
27. 27.165 − 66 =
28. 28.427 − 16 =
29. 29.411 − 38 =
30. 30.437 − 76 =
31. 31.284 − 36 =
32. 32.368 − 96 =
33. 33.194 − 56 =
34. 34.460 − 29 =
35. 35.272 − 47 =
36. 36.338 − 19 =
37. 37.115 − 56 =
38. 38.474 − 36 =
39. 39.303 − 28 =
40. 40.155 − 99 =

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