Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 560 · 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. 1.124 − 39 =
2. 2.350 − 76 =
3. 3.54 − 46 =
4. 4.561 − 17 =
5. 5.94 − 36 =
6. 6.498 − 96 =
7. 7.525 − 97 =
8. 8.558 − 19 =
9. 9.584 − 37 =
10. 10.479 − 86 =
11. 11.221 − 47 =
12. 12.81 − 66 =
13. 13.439 − 17 =
14. 14.153 − 89 =
15. 15.593 − 37 =
16. 16.379 − 67 =
17. 17.473 − 88 =
18. 18.447 − 48 =
19. 19.259 − 99 =
20. 20.168 − 68 =
21. 21.519 − 36 =
22. 22.189 − 27 =
23. 23.148 − 57 =
24. 24.412 − 68 =
25. 25.168 − 39 =
26. 26.325 − 46 =
27. 27.216 − 66 =
28. 28.369 − 77 =
29. 29.267 − 17 =
30. 30.259 − 78 =
31. 31.477 − 47 =
32. 32.61 − 37 =
33. 33.137 − 28 =
34. 34.574 − 57 =
35. 35.511 − 79 =
36. 36.154 − 98 =
37. 37.322 − 27 =
38. 38.307 − 77 =
39. 39.562 − 99 =
40. 40.428 − 19 =

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