Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 736 · 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. 1.527 − 38 =
2. 2.494 − 68 =
3. 3.272 − 67 =
4. 4.300 − 28 =
5. 5.212 − 56 =
6. 6.102 − 17 =
7. 7.95 − 26 =
8. 8.587 − 79 =
9. 9.250 − 57 =
10. 10.325 − 78 =
11. 11.507 − 97 =
12. 12.524 − 26 =
13. 13.61 − 17 =
14. 14.587 − 56 =
15. 15.461 − 79 =
16. 16.175 − 58 =
17. 17.206 − 76 =
18. 18.233 − 99 =
19. 19.97 − 89 =
20. 20.156 − 58 =
21. 21.115 − 89 =
22. 22.243 − 36 =
23. 23.264 − 76 =
24. 24.209 − 66 =
25. 25.451 − 37 =
26. 26.562 − 99 =
27. 27.186 − 19 =
28. 28.413 − 46 =
29. 29.218 − 38 =
30. 30.550 − 66 =
31. 31.347 − 87 =
32. 32.154 − 98 =
33. 33.242 − 56 =
34. 34.594 − 69 =
35. 35.336 − 67 =
36. 36.194 − 37 =
37. 37.280 − 38 =
38. 38.317 − 27 =
39. 39.119 − 88 =
40. 40.162 − 68 =

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