Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 545 · 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. 1.112 − 16 =
2. 2.190 − 96 =
3. 3.187 − 77 =
4. 4.254 − 87 =
5. 5.253 − 17 =
6. 6.98 − 59 =
7. 7.545 − 57 =
8. 8.598 − 79 =
9. 9.256 − 57 =
10. 10.343 − 76 =
11. 11.352 − 29 =
12. 12.508 − 39 =
13. 13.300 − 99 =
14. 14.168 − 79 =
15. 15.164 − 69 =
16. 16.562 − 29 =
17. 17.69 − 38 =
18. 18.135 − 16 =
19. 19.467 − 99 =
20. 20.212 − 99 =
21. 21.114 − 66 =
22. 22.402 − 46 =
23. 23.71 − 17 =
24. 24.163 − 16 =
25. 25.389 − 66 =
26. 26.184 − 49 =
27. 27.577 − 59 =
28. 28.324 − 38 =
29. 29.131 − 57 =
30. 30.255 − 89 =
31. 31.584 − 96 =
32. 32.165 − 76 =
33. 33.322 − 78 =
34. 34.478 − 66 =
35. 35.465 − 17 =
36. 36.215 − 77 =
37. 37.78 − 29 =
38. 38.471 − 48 =
39. 39.251 − 26 =
40. 40.311 − 69 =

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