Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 454 · 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. 1.465 − 38 =
2. 2.592 − 79 =
3. 3.62 − 38 =
4. 4.116 − 38 =
5. 5.321 − 28 =
6. 6.226 − 16 =
7. 7.590 − 36 =
8. 8.322 − 56 =
9. 9.587 − 38 =
10. 10.292 − 36 =
11. 11.400 − 78 =
12. 12.402 − 59 =
13. 13.333 − 66 =
14. 14.388 − 88 =
15. 15.313 − 46 =
16. 16.424 − 77 =
17. 17.478 − 36 =
18. 18.599 − 96 =
19. 19.594 − 59 =
20. 20.579 − 57 =
21. 21.374 − 78 =
22. 22.570 − 97 =
23. 23.390 − 48 =
24. 24.162 − 97 =
25. 25.206 − 27 =
26. 26.176 − 88 =
27. 27.241 − 18 =
28. 28.395 − 58 =
29. 29.353 − 37 =
30. 30.308 − 28 =
31. 31.100 − 97 =
32. 32.546 − 27 =
33. 33.594 − 77 =
34. 34.393 − 67 =
35. 35.276 − 26 =
36. 36.438 − 67 =
37. 37.554 − 26 =
38. 38.235 − 97 =
39. 39.445 − 56 =
40. 40.75 − 17 =

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