Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 929 · 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. 1.306 − 96 =
2. 2.202 − 46 =
3. 3.198 − 58 =
4. 4.163 − 27 =
5. 5.394 − 49 =
6. 6.594 − 17 =
7. 7.459 − 76 =
8. 8.79 − 16 =
9. 9.387 − 79 =
10. 10.595 − 76 =
11. 11.477 − 29 =
12. 12.582 − 29 =
13. 13.153 − 58 =
14. 14.331 − 96 =
15. 15.264 − 19 =
16. 16.388 − 67 =
17. 17.553 − 16 =
18. 18.411 − 16 =
19. 19.366 − 99 =
20. 20.538 − 79 =
21. 21.367 − 89 =
22. 22.410 − 86 =
23. 23.487 − 36 =
24. 24.391 − 66 =
25. 25.519 − 26 =
26. 26.433 − 47 =
27. 27.243 − 77 =
28. 28.137 − 46 =
29. 29.100 − 96 =
30. 30.425 − 57 =
31. 31.261 − 89 =
32. 32.517 − 38 =
33. 33.179 − 28 =
34. 34.285 − 28 =
35. 35.226 − 76 =
36. 36.124 − 97 =
37. 37.457 − 19 =
38. 38.460 − 16 =
39. 39.197 − 79 =
40. 40.376 − 48 =

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