Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 289 · 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. 1.345 − 26 =
2. 2.442 − 28 =
3. 3.187 − 96 =
4. 4.134 − 76 =
5. 5.562 − 18 =
6. 6.471 − 86 =
7. 7.366 − 38 =
8. 8.549 − 58 =
9. 9.169 − 98 =
10. 10.201 − 66 =
11. 11.507 − 76 =
12. 12.481 − 76 =
13. 13.174 − 49 =
14. 14.383 − 77 =
15. 15.74 − 67 =
16. 16.176 − 66 =
17. 17.491 − 86 =
18. 18.104 − 57 =
19. 19.565 − 19 =
20. 20.566 − 36 =
21. 21.573 − 26 =
22. 22.496 − 16 =
23. 23.576 − 87 =
24. 24.477 − 68 =
25. 25.293 − 77 =
26. 26.322 − 89 =
27. 27.467 − 76 =
28. 28.379 − 48 =
29. 29.232 − 97 =
30. 30.236 − 88 =
31. 31.522 − 86 =
32. 32.579 − 97 =
33. 33.583 − 89 =
34. 34.520 − 38 =
35. 35.227 − 26 =
36. 36.242 − 98 =
37. 37.330 − 19 =
38. 38.325 − 68 =
39. 39.68 − 39 =
40. 40.313 − 68 =

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