Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 213 · 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. 1.154 − 26 =
2. 2.431 − 88 =
3. 3.219 − 87 =
4. 4.446 − 46 =
5. 5.598 − 29 =
6. 6.127 − 17 =
7. 7.88 − 26 =
8. 8.199 − 18 =
9. 9.309 − 18 =
10. 10.260 − 26 =
11. 11.596 − 48 =
12. 12.517 − 57 =
13. 13.329 − 59 =
14. 14.65 − 49 =
15. 15.152 − 48 =
16. 16.385 − 87 =
17. 17.260 − 57 =
18. 18.381 − 56 =
19. 19.253 − 16 =
20. 20.572 − 58 =
21. 21.493 − 29 =
22. 22.487 − 67 =
23. 23.154 − 57 =
24. 24.520 − 17 =
25. 25.496 − 37 =
26. 26.462 − 59 =
27. 27.498 − 99 =
28. 28.107 − 19 =
29. 29.328 − 29 =
30. 30.229 − 46 =
31. 31.477 − 17 =
32. 32.107 − 78 =
33. 33.429 − 66 =
34. 34.212 − 99 =
35. 35.205 − 86 =
36. 36.120 − 26 =
37. 37.314 − 38 =
38. 38.365 − 47 =
39. 39.299 − 96 =
40. 40.540 − 98 =

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