Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 773 · 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. 1.460 − 16 =
2. 2.360 − 29 =
3. 3.436 − 26 =
4. 4.167 − 68 =
5. 5.160 − 59 =
6. 6.345 − 88 =
7. 7.491 − 56 =
8. 8.268 − 76 =
9. 9.273 − 27 =
10. 10.53 − 36 =
11. 11.482 − 26 =
12. 12.244 − 88 =
13. 13.115 − 78 =
14. 14.196 − 27 =
15. 15.211 − 28 =
16. 16.182 − 98 =
17. 17.405 − 76 =
18. 18.275 − 89 =
19. 19.294 − 47 =
20. 20.151 − 78 =
21. 21.166 − 17 =
22. 22.578 − 46 =
23. 23.191 − 16 =
24. 24.560 − 79 =
25. 25.359 − 76 =
26. 26.142 − 89 =
27. 27.569 − 26 =
28. 28.304 − 19 =
29. 29.574 − 46 =
30. 30.550 − 36 =
31. 31.585 − 86 =
32. 32.339 − 96 =
33. 33.544 − 66 =
34. 34.470 − 36 =
35. 35.412 − 86 =
36. 36.350 − 87 =
37. 37.378 − 39 =
38. 38.186 − 36 =
39. 39.177 − 96 =
40. 40.422 − 69 =

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