Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 856 · 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. 1.109 − 57 =
2. 2.394 − 38 =
3. 3.365 − 18 =
4. 4.353 − 49 =
5. 5.416 − 47 =
6. 6.468 − 78 =
7. 7.163 − 98 =
8. 8.527 − 86 =
9. 9.386 − 57 =
10. 10.456 − 27 =
11. 11.582 − 39 =
12. 12.167 − 26 =
13. 13.182 − 96 =
14. 14.384 − 69 =
15. 15.520 − 86 =
16. 16.189 − 97 =
17. 17.479 − 49 =
18. 18.244 − 37 =
19. 19.180 − 88 =
20. 20.145 − 19 =
21. 21.242 − 49 =
22. 22.578 − 86 =
23. 23.86 − 49 =
24. 24.240 − 19 =
25. 25.541 − 28 =
26. 26.265 − 19 =
27. 27.268 − 87 =
28. 28.131 − 96 =
29. 29.465 − 58 =
30. 30.386 − 87 =
31. 31.437 − 76 =
32. 32.162 − 36 =
33. 33.366 − 69 =
34. 34.245 − 86 =
35. 35.189 − 18 =
36. 36.581 − 77 =
37. 37.187 − 37 =
38. 38.77 − 66 =
39. 39.311 − 38 =
40. 40.507 − 59 =

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