Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 111 · 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. 1.444 − 57 =
2. 2.280 − 39 =
3. 3.570 − 48 =
4. 4.321 − 67 =
5. 5.337 − 29 =
6. 6.393 − 66 =
7. 7.351 − 69 =
8. 8.337 − 37 =
9. 9.479 − 76 =
10. 10.311 − 17 =
11. 11.167 − 96 =
12. 12.187 − 78 =
13. 13.154 − 58 =
14. 14.241 − 47 =
15. 15.157 − 36 =
16. 16.249 − 48 =
17. 17.308 − 27 =
18. 18.97 − 96 =
19. 19.383 − 78 =
20. 20.158 − 97 =
21. 21.507 − 59 =
22. 22.444 − 89 =
23. 23.340 − 67 =
24. 24.552 − 27 =
25. 25.553 − 58 =
26. 26.190 − 96 =
27. 27.143 − 46 =
28. 28.342 − 26 =
29. 29.125 − 37 =
30. 30.479 − 68 =
31. 31.113 − 28 =
32. 32.283 − 27 =
33. 33.154 − 89 =
34. 34.140 − 99 =
35. 35.584 − 79 =
36. 36.452 − 58 =
37. 37.376 − 66 =
38. 38.495 − 76 =
39. 39.574 − 99 =
40. 40.268 − 89 =

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