Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 689 · 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. 1.523 − 26 =
2. 2.409 − 16 =
3. 3.332 − 69 =
4. 4.198 − 49 =
5. 5.420 − 76 =
6. 6.587 − 88 =
7. 7.470 − 99 =
8. 8.422 − 87 =
9. 9.153 − 68 =
10. 10.329 − 49 =
11. 11.393 − 98 =
12. 12.117 − 56 =
13. 13.399 − 79 =
14. 14.291 − 17 =
15. 15.381 − 68 =
16. 16.510 − 17 =
17. 17.178 − 59 =
18. 18.277 − 49 =
19. 19.440 − 79 =
20. 20.135 − 56 =
21. 21.186 − 98 =
22. 22.143 − 96 =
23. 23.221 − 27 =
24. 24.231 − 48 =
25. 25.212 − 66 =
26. 26.240 − 66 =
27. 27.470 − 66 =
28. 28.541 − 88 =
29. 29.476 − 76 =
30. 30.581 − 46 =
31. 31.310 − 99 =
32. 32.236 − 68 =
33. 33.255 − 88 =
34. 34.235 − 97 =
35. 35.88 − 58 =
36. 36.527 − 89 =
37. 37.470 − 89 =
38. 38.154 − 68 =
39. 39.522 − 18 =
40. 40.478 − 28 =

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