Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 583 · 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. 1.224 − 28 =
2. 2.292 − 67 =
3. 3.69 − 66 =
4. 4.202 − 26 =
5. 5.522 − 59 =
6. 6.487 − 77 =
7. 7.213 − 37 =
8. 8.157 − 57 =
9. 9.61 − 48 =
10. 10.339 − 39 =
11. 11.100 − 58 =
12. 12.590 − 97 =
13. 13.121 − 77 =
14. 14.238 − 76 =
15. 15.548 − 26 =
16. 16.267 − 18 =
17. 17.146 − 19 =
18. 18.270 − 56 =
19. 19.154 − 97 =
20. 20.508 − 77 =
21. 21.84 − 28 =
22. 22.123 − 37 =
23. 23.129 − 26 =
24. 24.291 − 87 =
25. 25.469 − 96 =
26. 26.381 − 38 =
27. 27.97 − 67 =
28. 28.215 − 36 =
29. 29.444 − 28 =
30. 30.93 − 68 =
31. 31.360 − 77 =
32. 32.547 − 16 =
33. 33.525 − 96 =
34. 34.154 − 58 =
35. 35.283 − 59 =
36. 36.289 − 28 =
37. 37.345 − 79 =
38. 38.394 − 16 =
39. 39.153 − 18 =
40. 40.477 − 99 =

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