Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 702 · 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. 1.141 − 88 =
2. 2.428 − 97 =
3. 3.287 − 99 =
4. 4.514 − 89 =
5. 5.130 − 49 =
6. 6.424 − 37 =
7. 7.55 − 19 =
8. 8.428 − 16 =
9. 9.402 − 39 =
10. 10.533 − 56 =
11. 11.209 − 67 =
12. 12.90 − 56 =
13. 13.171 − 39 =
14. 14.586 − 46 =
15. 15.263 − 69 =
16. 16.512 − 26 =
17. 17.565 − 58 =
18. 18.572 − 37 =
19. 19.303 − 66 =
20. 20.168 − 27 =
21. 21.599 − 87 =
22. 22.345 − 79 =
23. 23.139 − 69 =
24. 24.142 − 67 =
25. 25.118 − 18 =
26. 26.566 − 59 =
27. 27.173 − 99 =
28. 28.175 − 26 =
29. 29.113 − 87 =
30. 30.100 − 49 =
31. 31.470 − 36 =
32. 32.570 − 97 =
33. 33.300 − 16 =
34. 34.76 − 58 =
35. 35.301 − 87 =
36. 36.324 − 67 =
37. 37.153 − 38 =
38. 38.184 − 59 =
39. 39.432 − 58 =
40. 40.126 − 89 =

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