Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 543 · 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. 1.174 − 47 =
2. 2.557 − 57 =
3. 3.359 − 86 =
4. 4.148 − 39 =
5. 5.358 − 68 =
6. 6.229 − 76 =
7. 7.57 − 28 =
8. 8.587 − 48 =
9. 9.395 − 56 =
10. 10.338 − 76 =
11. 11.543 − 78 =
12. 12.430 − 26 =
13. 13.249 − 37 =
14. 14.166 − 96 =
15. 15.190 − 99 =
16. 16.481 − 47 =
17. 17.157 − 57 =
18. 18.203 − 19 =
19. 19.451 − 27 =
20. 20.195 − 29 =
21. 21.433 − 88 =
22. 22.269 − 59 =
23. 23.177 − 66 =
24. 24.418 − 59 =
25. 25.282 − 97 =
26. 26.527 − 27 =
27. 27.216 − 87 =
28. 28.265 − 38 =
29. 29.378 − 36 =
30. 30.482 − 48 =
31. 31.229 − 98 =
32. 32.294 − 36 =
33. 33.396 − 56 =
34. 34.469 − 77 =
35. 35.125 − 69 =
36. 36.189 − 79 =
37. 37.134 − 69 =
38. 38.170 − 88 =
39. 39.145 − 17 =
40. 40.291 − 87 =

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