Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 8 · 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. 1.151 − 46 =
2. 2.472 − 56 =
3. 3.417 − 57 =
4. 4.111 − 69 =
5. 5.440 − 39 =
6. 6.218 − 29 =
7. 7.494 − 26 =
8. 8.431 − 17 =
9. 9.320 − 19 =
10. 10.287 − 37 =
11. 11.104 − 37 =
12. 12.397 − 99 =
13. 13.518 − 28 =
14. 14.95 − 16 =
15. 15.145 − 26 =
16. 16.284 − 68 =
17. 17.517 − 39 =
18. 18.124 − 96 =
19. 19.394 − 26 =
20. 20.251 − 67 =
21. 21.359 − 99 =
22. 22.585 − 68 =
23. 23.388 − 18 =
24. 24.82 − 58 =
25. 25.558 − 29 =
26. 26.428 − 46 =
27. 27.344 − 48 =
28. 28.352 − 58 =
29. 29.144 − 96 =
30. 30.86 − 16 =
31. 31.59 − 37 =
32. 32.153 − 68 =
33. 33.54 − 28 =
34. 34.83 − 28 =
35. 35.214 − 99 =
36. 36.531 − 19 =
37. 37.487 − 96 =
38. 38.507 − 68 =
39. 39.131 − 89 =
40. 40.465 − 57 =

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