Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 108 · 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. 1.338 − 36 =
2. 2.298 − 19 =
3. 3.440 − 99 =
4. 4.355 − 47 =
5. 5.586 − 59 =
6. 6.237 − 29 =
7. 7.419 − 56 =
8. 8.181 − 99 =
9. 9.176 − 59 =
10. 10.390 − 36 =
11. 11.121 − 46 =
12. 12.316 − 36 =
13. 13.599 − 69 =
14. 14.536 − 28 =
15. 15.442 − 76 =
16. 16.546 − 69 =
17. 17.541 − 37 =
18. 18.564 − 59 =
19. 19.120 − 46 =
20. 20.84 − 46 =
21. 21.497 − 59 =
22. 22.233 − 27 =
23. 23.501 − 89 =
24. 24.107 − 67 =
25. 25.551 − 96 =
26. 26.337 − 16 =
27. 27.477 − 76 =
28. 28.144 − 88 =
29. 29.349 − 26 =
30. 30.420 − 36 =
31. 31.552 − 78 =
32. 32.344 − 17 =
33. 33.100 − 27 =
34. 34.227 − 28 =
35. 35.443 − 96 =
36. 36.160 − 88 =
37. 37.93 − 36 =
38. 38.154 − 36 =
39. 39.151 − 46 =
40. 40.437 − 69 =

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