Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 314 · 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. 1.214 − 56 =
2. 2.526 − 66 =
3. 3.407 − 99 =
4. 4.591 − 98 =
5. 5.239 − 87 =
6. 6.466 − 56 =
7. 7.440 − 49 =
8. 8.506 − 17 =
9. 9.256 − 69 =
10. 10.539 − 96 =
11. 11.283 − 38 =
12. 12.376 − 58 =
13. 13.383 − 97 =
14. 14.360 − 59 =
15. 15.230 − 36 =
16. 16.215 − 28 =
17. 17.96 − 17 =
18. 18.563 − 27 =
19. 19.206 − 17 =
20. 20.598 − 39 =
21. 21.382 − 78 =
22. 22.290 − 26 =
23. 23.403 − 97 =
24. 24.258 − 59 =
25. 25.237 − 89 =
26. 26.52 − 26 =
27. 27.461 − 56 =
28. 28.187 − 18 =
29. 29.203 − 17 =
30. 30.368 − 26 =
31. 31.72 − 37 =
32. 32.269 − 39 =
33. 33.394 − 57 =
34. 34.447 − 98 =
35. 35.336 − 89 =
36. 36.143 − 58 =
37. 37.87 − 66 =
38. 38.579 − 59 =
39. 39.262 − 79 =
40. 40.233 − 29 =

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