Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 266 · 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. 1.280 − 97 =
2. 2.147 − 18 =
3. 3.319 − 89 =
4. 4.163 − 17 =
5. 5.284 − 46 =
6. 6.185 − 47 =
7. 7.97 − 19 =
8. 8.224 − 19 =
9. 9.500 − 59 =
10. 10.579 − 78 =
11. 11.130 − 69 =
12. 12.217 − 59 =
13. 13.231 − 69 =
14. 14.207 − 96 =
15. 15.383 − 58 =
16. 16.191 − 69 =
17. 17.558 − 16 =
18. 18.529 − 77 =
19. 19.330 − 29 =
20. 20.178 − 18 =
21. 21.152 − 46 =
22. 22.191 − 86 =
23. 23.531 − 88 =
24. 24.458 − 57 =
25. 25.134 − 66 =
26. 26.539 − 87 =
27. 27.563 − 27 =
28. 28.324 − 89 =
29. 29.593 − 26 =
30. 30.456 − 36 =
31. 31.541 − 28 =
32. 32.460 − 69 =
33. 33.379 − 48 =
34. 34.540 − 19 =
35. 35.352 − 76 =
36. 36.219 − 17 =
37. 37.457 − 99 =
38. 38.236 − 17 =
39. 39.356 − 76 =
40. 40.572 − 47 =

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