Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 473 · 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. 1.200 − 97 =
2. 2.478 − 98 =
3. 3.138 − 26 =
4. 4.425 − 39 =
5. 5.217 − 78 =
6. 6.236 − 59 =
7. 7.519 − 28 =
8. 8.584 − 37 =
9. 9.402 − 59 =
10. 10.188 − 27 =
11. 11.195 − 26 =
12. 12.137 − 77 =
13. 13.576 − 77 =
14. 14.397 − 36 =
15. 15.113 − 19 =
16. 16.246 − 47 =
17. 17.592 − 38 =
18. 18.521 − 99 =
19. 19.79 − 77 =
20. 20.255 − 67 =
21. 21.411 − 77 =
22. 22.370 − 97 =
23. 23.392 − 47 =
24. 24.427 − 16 =
25. 25.437 − 18 =
26. 26.87 − 49 =
27. 27.268 − 19 =
28. 28.125 − 28 =
29. 29.136 − 96 =
30. 30.437 − 28 =
31. 31.383 − 88 =
32. 32.175 − 76 =
33. 33.421 − 49 =
34. 34.191 − 46 =
35. 35.589 − 99 =
36. 36.295 − 88 =
37. 37.220 − 37 =
38. 38.442 − 97 =
39. 39.222 − 18 =
40. 40.569 − 58 =

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