Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 260 · 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. 1.173 − 17 =
2. 2.461 − 37 =
3. 3.176 − 38 =
4. 4.294 − 86 =
5. 5.165 − 76 =
6. 6.286 − 48 =
7. 7.295 − 37 =
8. 8.79 − 16 =
9. 9.523 − 89 =
10. 10.448 − 69 =
11. 11.321 − 37 =
12. 12.276 − 29 =
13. 13.101 − 96 =
14. 14.264 − 57 =
15. 15.299 − 48 =
16. 16.73 − 19 =
17. 17.587 − 76 =
18. 18.64 − 49 =
19. 19.469 − 39 =
20. 20.116 − 78 =
21. 21.232 − 99 =
22. 22.209 − 68 =
23. 23.177 − 39 =
24. 24.413 − 88 =
25. 25.567 − 86 =
26. 26.527 − 36 =
27. 27.120 − 16 =
28. 28.420 − 18 =
29. 29.480 − 28 =
30. 30.420 − 98 =
31. 31.485 − 98 =
32. 32.140 − 99 =
33. 33.591 − 58 =
34. 34.459 − 96 =
35. 35.144 − 89 =
36. 36.80 − 19 =
37. 37.162 − 96 =
38. 38.527 − 56 =
39. 39.410 − 99 =
40. 40.193 − 99 =

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