Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 189 · 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. 1.181 − 46 =
2. 2.371 − 26 =
3. 3.332 − 49 =
4. 4.327 − 17 =
5. 5.411 − 18 =
6. 6.576 − 89 =
7. 7.81 − 66 =
8. 8.484 − 87 =
9. 9.403 − 29 =
10. 10.175 − 26 =
11. 11.441 − 17 =
12. 12.311 − 28 =
13. 13.233 − 49 =
14. 14.176 − 69 =
15. 15.592 − 78 =
16. 16.182 − 26 =
17. 17.517 − 77 =
18. 18.379 − 97 =
19. 19.511 − 27 =
20. 20.404 − 69 =
21. 21.357 − 47 =
22. 22.542 − 18 =
23. 23.557 − 19 =
24. 24.304 − 19 =
25. 25.267 − 79 =
26. 26.56 − 36 =
27. 27.391 − 28 =
28. 28.269 − 87 =
29. 29.66 − 59 =
30. 30.451 − 58 =
31. 31.243 − 46 =
32. 32.312 − 29 =
33. 33.321 − 56 =
34. 34.285 − 49 =
35. 35.561 − 56 =
36. 36.149 − 99 =
37. 37.474 − 78 =
38. 38.459 − 17 =
39. 39.444 − 76 =
40. 40.299 − 39 =

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths