Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 76 · 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. 1.500 − 67 =
2. 2.297 − 99 =
3. 3.176 − 96 =
4. 4.207 − 27 =
5. 5.358 − 86 =
6. 6.52 − 16 =
7. 7.168 − 56 =
8. 8.590 − 38 =
9. 9.564 − 17 =
10. 10.515 − 37 =
11. 11.132 − 16 =
12. 12.93 − 66 =
13. 13.460 − 17 =
14. 14.52 − 29 =
15. 15.140 − 66 =
16. 16.388 − 77 =
17. 17.314 − 46 =
18. 18.66 − 56 =
19. 19.332 − 59 =
20. 20.354 − 96 =
21. 21.118 − 67 =
22. 22.173 − 47 =
23. 23.188 − 56 =
24. 24.292 − 58 =
25. 25.133 − 67 =
26. 26.93 − 29 =
27. 27.463 − 49 =
28. 28.311 − 87 =
29. 29.267 − 69 =
30. 30.348 − 39 =
31. 31.429 − 69 =
32. 32.202 − 89 =
33. 33.69 − 27 =
34. 34.454 − 88 =
35. 35.369 − 28 =
36. 36.500 − 97 =
37. 37.258 − 67 =
38. 38.519 − 29 =
39. 39.330 − 16 =
40. 40.256 − 47 =

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