Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 780 · 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. 1.196 − 37 =
2. 2.222 − 36 =
3. 3.498 − 38 =
4. 4.342 − 27 =
5. 5.129 − 97 =
6. 6.151 − 39 =
7. 7.218 − 69 =
8. 8.209 − 56 =
9. 9.453 − 48 =
10. 10.364 − 76 =
11. 11.316 − 56 =
12. 12.471 − 19 =
13. 13.307 − 28 =
14. 14.167 − 29 =
15. 15.403 − 46 =
16. 16.66 − 16 =
17. 17.145 − 47 =
18. 18.223 − 77 =
19. 19.91 − 76 =
20. 20.593 − 36 =
21. 21.112 − 28 =
22. 22.432 − 39 =
23. 23.188 − 59 =
24. 24.82 − 28 =
25. 25.341 − 76 =
26. 26.557 − 58 =
27. 27.288 − 37 =
28. 28.399 − 99 =
29. 29.429 − 19 =
30. 30.170 − 39 =
31. 31.73 − 19 =
32. 32.275 − 69 =
33. 33.489 − 59 =
34. 34.571 − 77 =
35. 35.360 − 76 =
36. 36.236 − 88 =
37. 37.424 − 89 =
38. 38.305 − 28 =
39. 39.89 − 77 =
40. 40.161 − 69 =

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