Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 762 · 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. 1.332 − 57 =
2. 2.199 − 26 =
3. 3.271 − 78 =
4. 4.88 − 69 =
5. 5.168 − 68 =
6. 6.224 − 68 =
7. 7.564 − 96 =
8. 8.64 − 39 =
9. 9.190 − 17 =
10. 10.79 − 36 =
11. 11.126 − 86 =
12. 12.72 − 66 =
13. 13.317 − 98 =
14. 14.354 − 68 =
15. 15.202 − 19 =
16. 16.599 − 69 =
17. 17.281 − 29 =
18. 18.565 − 56 =
19. 19.213 − 69 =
20. 20.529 − 26 =
21. 21.87 − 49 =
22. 22.549 − 49 =
23. 23.590 − 68 =
24. 24.550 − 29 =
25. 25.334 − 77 =
26. 26.207 − 79 =
27. 27.386 − 76 =
28. 28.416 − 89 =
29. 29.286 − 37 =
30. 30.575 − 37 =
31. 31.322 − 27 =
32. 32.399 − 37 =
33. 33.412 − 69 =
34. 34.543 − 16 =
35. 35.589 − 48 =
36. 36.375 − 57 =
37. 37.138 − 57 =
38. 38.487 − 16 =
39. 39.66 − 59 =
40. 40.203 − 28 =

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