Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 208 · 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. 1.161 − 97 =
2. 2.168 − 26 =
3. 3.412 − 17 =
4. 4.186 − 59 =
5. 5.537 − 86 =
6. 6.382 − 48 =
7. 7.164 − 78 =
8. 8.335 − 36 =
9. 9.394 − 49 =
10. 10.337 − 68 =
11. 11.156 − 66 =
12. 12.189 − 97 =
13. 13.386 − 87 =
14. 14.197 − 77 =
15. 15.60 − 29 =
16. 16.377 − 66 =
17. 17.576 − 36 =
18. 18.361 − 38 =
19. 19.420 − 78 =
20. 20.147 − 28 =
21. 21.445 − 26 =
22. 22.199 − 16 =
23. 23.401 − 19 =
24. 24.408 − 58 =
25. 25.558 − 19 =
26. 26.358 − 19 =
27. 27.61 − 38 =
28. 28.573 − 19 =
29. 29.155 − 37 =
30. 30.516 − 67 =
31. 31.326 − 48 =
32. 32.117 − 87 =
33. 33.422 − 59 =
34. 34.580 − 29 =
35. 35.191 − 19 =
36. 36.500 − 27 =
37. 37.575 − 98 =
38. 38.272 − 26 =
39. 39.319 − 99 =
40. 40.288 − 68 =

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