Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 87 · 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. 1.150 − 69 =
2. 2.510 − 98 =
3. 3.245 − 16 =
4. 4.220 − 57 =
5. 5.391 − 78 =
6. 6.261 − 39 =
7. 7.159 − 37 =
8. 8.238 − 27 =
9. 9.154 − 77 =
10. 10.82 − 59 =
11. 11.380 − 28 =
12. 12.307 − 56 =
13. 13.96 − 18 =
14. 14.461 − 28 =
15. 15.424 − 36 =
16. 16.408 − 36 =
17. 17.419 − 67 =
18. 18.532 − 67 =
19. 19.197 − 16 =
20. 20.225 − 56 =
21. 21.124 − 78 =
22. 22.93 − 37 =
23. 23.163 − 96 =
24. 24.546 − 66 =
25. 25.166 − 66 =
26. 26.126 − 29 =
27. 27.128 − 49 =
28. 28.117 − 16 =
29. 29.165 − 19 =
30. 30.262 − 28 =
31. 31.305 − 56 =
32. 32.207 − 57 =
33. 33.186 − 89 =
34. 34.480 − 19 =
35. 35.411 − 36 =
36. 36.476 − 89 =
37. 37.376 − 47 =
38. 38.134 − 98 =
39. 39.175 − 38 =
40. 40.176 − 88 =

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