Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 267 · 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. 1.438 − 76 =
2. 2.420 − 28 =
3. 3.121 − 69 =
4. 4.209 − 98 =
5. 5.313 − 18 =
6. 6.546 − 76 =
7. 7.172 − 37 =
8. 8.152 − 86 =
9. 9.534 − 36 =
10. 10.86 − 29 =
11. 11.350 − 77 =
12. 12.111 − 89 =
13. 13.289 − 48 =
14. 14.111 − 99 =
15. 15.357 − 36 =
16. 16.364 − 97 =
17. 17.481 − 17 =
18. 18.123 − 28 =
19. 19.167 − 57 =
20. 20.182 − 88 =
21. 21.494 − 78 =
22. 22.452 − 36 =
23. 23.294 − 97 =
24. 24.352 − 46 =
25. 25.268 − 57 =
26. 26.211 − 36 =
27. 27.383 − 36 =
28. 28.168 − 46 =
29. 29.393 − 98 =
30. 30.327 − 56 =
31. 31.302 − 76 =
32. 32.159 − 19 =
33. 33.246 − 16 =
34. 34.553 − 66 =
35. 35.462 − 97 =
36. 36.110 − 59 =
37. 37.243 − 68 =
38. 38.96 − 57 =
39. 39.267 − 49 =
40. 40.371 − 99 =

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