Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 774 · 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. 1.380 − 26 =
2. 2.500 − 49 =
3. 3.564 − 67 =
4. 4.355 − 47 =
5. 5.329 − 57 =
6. 6.101 − 26 =
7. 7.196 − 66 =
8. 8.226 − 16 =
9. 9.311 − 99 =
10. 10.577 − 58 =
11. 11.162 − 86 =
12. 12.393 − 66 =
13. 13.302 − 48 =
14. 14.120 − 18 =
15. 15.231 − 17 =
16. 16.386 − 29 =
17. 17.119 − 97 =
18. 18.381 − 67 =
19. 19.396 − 87 =
20. 20.285 − 39 =
21. 21.294 − 76 =
22. 22.527 − 47 =
23. 23.215 − 26 =
24. 24.146 − 16 =
25. 25.498 − 36 =
26. 26.112 − 39 =
27. 27.92 − 28 =
28. 28.208 − 28 =
29. 29.338 − 88 =
30. 30.391 − 26 =
31. 31.210 − 39 =
32. 32.577 − 46 =
33. 33.530 − 98 =
34. 34.159 − 67 =
35. 35.201 − 99 =
36. 36.478 − 19 =
37. 37.309 − 28 =
38. 38.60 − 46 =
39. 39.379 − 59 =
40. 40.178 − 89 =

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