Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 352 · 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. 1.114 − 48 =
2. 2.248 − 58 =
3. 3.208 − 38 =
4. 4.503 − 16 =
5. 5.437 − 96 =
6. 6.173 − 58 =
7. 7.404 − 49 =
8. 8.256 − 77 =
9. 9.368 − 86 =
10. 10.88 − 56 =
11. 11.109 − 47 =
12. 12.190 − 99 =
13. 13.350 − 78 =
14. 14.471 − 48 =
15. 15.435 − 36 =
16. 16.434 − 19 =
17. 17.482 − 57 =
18. 18.580 − 77 =
19. 19.117 − 36 =
20. 20.52 − 48 =
21. 21.500 − 46 =
22. 22.329 − 49 =
23. 23.585 − 99 =
24. 24.572 − 16 =
25. 25.266 − 26 =
26. 26.538 − 46 =
27. 27.105 − 57 =
28. 28.456 − 96 =
29. 29.465 − 96 =
30. 30.105 − 17 =
31. 31.154 − 99 =
32. 32.89 − 69 =
33. 33.393 − 29 =
34. 34.569 − 78 =
35. 35.359 − 66 =
36. 36.589 − 69 =
37. 37.419 − 88 =
38. 38.246 − 88 =
39. 39.400 − 46 =
40. 40.554 − 66 =

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