Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 54 · 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. 1.540 − 86 =
2. 2.214 − 69 =
3. 3.166 − 67 =
4. 4.194 − 46 =
5. 5.567 − 27 =
6. 6.586 − 16 =
7. 7.559 − 56 =
8. 8.193 − 88 =
9. 9.333 − 66 =
10. 10.339 − 58 =
11. 11.268 − 18 =
12. 12.65 − 19 =
13. 13.330 − 67 =
14. 14.183 − 98 =
15. 15.325 − 38 =
16. 16.319 − 58 =
17. 17.268 − 66 =
18. 18.93 − 69 =
19. 19.270 − 27 =
20. 20.103 − 18 =
21. 21.583 − 46 =
22. 22.333 − 98 =
23. 23.525 − 68 =
24. 24.529 − 98 =
25. 25.101 − 66 =
26. 26.167 − 96 =
27. 27.519 − 86 =
28. 28.424 − 36 =
29. 29.150 − 27 =
30. 30.516 − 18 =
31. 31.337 − 79 =
32. 32.201 − 66 =
33. 33.371 − 78 =
34. 34.384 − 67 =
35. 35.533 − 66 =
36. 36.570 − 59 =
37. 37.286 − 96 =
38. 38.161 − 79 =
39. 39.187 − 18 =
40. 40.522 − 26 =

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