Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 843 · 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. 1.67 − 26 =
2. 2.571 − 46 =
3. 3.164 − 96 =
4. 4.316 − 48 =
5. 5.471 − 76 =
6. 6.86 − 66 =
7. 7.563 − 69 =
8. 8.216 − 19 =
9. 9.564 − 49 =
10. 10.239 − 46 =
11. 11.572 − 57 =
12. 12.131 − 67 =
13. 13.195 − 58 =
14. 14.210 − 86 =
15. 15.255 − 66 =
16. 16.358 − 27 =
17. 17.158 − 96 =
18. 18.419 − 89 =
19. 19.214 − 27 =
20. 20.466 − 96 =
21. 21.517 − 97 =
22. 22.564 − 26 =
23. 23.184 − 27 =
24. 24.401 − 87 =
25. 25.362 − 49 =
26. 26.337 − 36 =
27. 27.141 − 59 =
28. 28.328 − 29 =
29. 29.172 − 38 =
30. 30.525 − 89 =
31. 31.110 − 89 =
32. 32.363 − 19 =
33. 33.142 − 66 =
34. 34.162 − 97 =
35. 35.62 − 27 =
36. 36.88 − 69 =
37. 37.247 − 79 =
38. 38.144 − 79 =
39. 39.85 − 17 =
40. 40.348 − 49 =

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