Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 47 · 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. 1.156 − 76 =
2. 2.216 − 19 =
3. 3.190 − 96 =
4. 4.566 − 57 =
5. 5.269 − 76 =
6. 6.336 − 27 =
7. 7.361 − 98 =
8. 8.562 − 18 =
9. 9.570 − 67 =
10. 10.113 − 99 =
11. 11.228 − 78 =
12. 12.119 − 28 =
13. 13.178 − 88 =
14. 14.426 − 39 =
15. 15.329 − 79 =
16. 16.160 − 16 =
17. 17.570 − 28 =
18. 18.511 − 18 =
19. 19.340 − 57 =
20. 20.429 − 16 =
21. 21.157 − 99 =
22. 22.307 − 37 =
23. 23.437 − 29 =
24. 24.333 − 26 =
25. 25.116 − 29 =
26. 26.100 − 96 =
27. 27.63 − 36 =
28. 28.468 − 88 =
29. 29.476 − 47 =
30. 30.277 − 76 =
31. 31.125 − 46 =
32. 32.410 − 27 =
33. 33.599 − 96 =
34. 34.182 − 88 =
35. 35.384 − 59 =
36. 36.427 − 16 =
37. 37.191 − 38 =
38. 38.306 − 57 =
39. 39.359 − 18 =
40. 40.90 − 26 =

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