Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 348 · 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. 1.157 − 57 =
2. 2.437 − 47 =
3. 3.547 − 19 =
4. 4.434 − 57 =
5. 5.54 − 48 =
6. 6.573 − 36 =
7. 7.156 − 58 =
8. 8.388 − 39 =
9. 9.549 − 98 =
10. 10.597 − 79 =
11. 11.484 − 26 =
12. 12.95 − 88 =
13. 13.428 − 49 =
14. 14.556 − 56 =
15. 15.504 − 68 =
16. 16.500 − 76 =
17. 17.173 − 99 =
18. 18.475 − 18 =
19. 19.388 − 37 =
20. 20.473 − 56 =
21. 21.476 − 59 =
22. 22.330 − 78 =
23. 23.157 − 37 =
24. 24.573 − 26 =
25. 25.513 − 29 =
26. 26.285 − 56 =
27. 27.243 − 36 =
28. 28.173 − 86 =
29. 29.119 − 16 =
30. 30.190 − 58 =
31. 31.108 − 68 =
32. 32.264 − 77 =
33. 33.580 − 69 =
34. 34.290 − 17 =
35. 35.258 − 18 =
36. 36.583 − 77 =
37. 37.233 − 88 =
38. 38.290 − 18 =
39. 39.191 − 38 =
40. 40.453 − 96 =

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