Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 897 · 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. 1.262 − 26 =
2. 2.209 − 69 =
3. 3.318 − 56 =
4. 4.266 − 66 =
5. 5.376 − 68 =
6. 6.397 − 27 =
7. 7.591 − 97 =
8. 8.193 − 39 =
9. 9.89 − 86 =
10. 10.355 − 98 =
11. 11.253 − 26 =
12. 12.292 − 49 =
13. 13.534 − 99 =
14. 14.210 − 78 =
15. 15.473 − 86 =
16. 16.473 − 96 =
17. 17.374 − 88 =
18. 18.489 − 97 =
19. 19.487 − 16 =
20. 20.188 − 49 =
21. 21.357 − 18 =
22. 22.340 − 59 =
23. 23.56 − 26 =
24. 24.437 − 36 =
25. 25.85 − 17 =
26. 26.407 − 16 =
27. 27.300 − 69 =
28. 28.233 − 38 =
29. 29.267 − 26 =
30. 30.525 − 57 =
31. 31.546 − 56 =
32. 32.370 − 57 =
33. 33.423 − 38 =
34. 34.205 − 56 =
35. 35.156 − 79 =
36. 36.141 − 88 =
37. 37.187 − 66 =
38. 38.345 − 88 =
39. 39.239 − 28 =
40. 40.180 − 27 =

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