Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 57 · 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. 1.165 − 88 =
2. 2.556 − 16 =
3. 3.338 − 66 =
4. 4.591 − 67 =
5. 5.562 − 36 =
6. 6.322 − 28 =
7. 7.140 − 29 =
8. 8.465 − 48 =
9. 9.353 − 16 =
10. 10.390 − 46 =
11. 11.312 − 88 =
12. 12.454 − 96 =
13. 13.464 − 39 =
14. 14.402 − 68 =
15. 15.100 − 48 =
16. 16.110 − 29 =
17. 17.419 − 87 =
18. 18.444 − 96 =
19. 19.352 − 86 =
20. 20.532 − 57 =
21. 21.595 − 26 =
22. 22.101 − 16 =
23. 23.105 − 29 =
24. 24.256 − 79 =
25. 25.303 − 18 =
26. 26.580 − 69 =
27. 27.444 − 19 =
28. 28.58 − 57 =
29. 29.389 − 38 =
30. 30.145 − 38 =
31. 31.325 − 29 =
32. 32.306 − 99 =
33. 33.561 − 76 =
34. 34.328 − 58 =
35. 35.212 − 86 =
36. 36.190 − 96 =
37. 37.493 − 89 =
38. 38.184 − 58 =
39. 39.231 − 37 =
40. 40.415 − 46 =

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