Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 463 · 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. 1.294 − 26 =
2. 2.494 − 58 =
3. 3.594 − 19 =
4. 4.227 − 37 =
5. 5.170 − 16 =
6. 6.574 − 27 =
7. 7.249 − 28 =
8. 8.382 − 69 =
9. 9.77 − 68 =
10. 10.348 − 49 =
11. 11.404 − 99 =
12. 12.563 − 48 =
13. 13.124 − 99 =
14. 14.323 − 87 =
15. 15.437 − 17 =
16. 16.530 − 27 =
17. 17.445 − 96 =
18. 18.154 − 98 =
19. 19.103 − 99 =
20. 20.191 − 98 =
21. 21.243 − 97 =
22. 22.411 − 89 =
23. 23.453 − 16 =
24. 24.191 − 26 =
25. 25.113 − 19 =
26. 26.443 − 97 =
27. 27.264 − 48 =
28. 28.575 − 38 =
29. 29.397 − 27 =
30. 30.482 − 47 =
31. 31.565 − 88 =
32. 32.101 − 98 =
33. 33.313 − 28 =
34. 34.550 − 98 =
35. 35.345 − 36 =
36. 36.591 − 28 =
37. 37.288 − 67 =
38. 38.442 − 58 =
39. 39.532 − 57 =
40. 40.339 − 39 =

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