Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 115 · 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. 1.404 − 69 =
2. 2.71 − 68 =
3. 3.202 − 28 =
4. 4.77 − 26 =
5. 5.547 − 19 =
6. 6.417 − 19 =
7. 7.496 − 59 =
8. 8.297 − 57 =
9. 9.560 − 16 =
10. 10.542 − 68 =
11. 11.430 − 29 =
12. 12.250 − 16 =
13. 13.79 − 19 =
14. 14.431 − 56 =
15. 15.557 − 29 =
16. 16.447 − 47 =
17. 17.276 − 69 =
18. 18.398 − 29 =
19. 19.591 − 17 =
20. 20.535 − 68 =
21. 21.69 − 49 =
22. 22.78 − 26 =
23. 23.109 − 17 =
24. 24.467 − 76 =
25. 25.448 − 38 =
26. 26.105 − 37 =
27. 27.356 − 47 =
28. 28.88 − 26 =
29. 29.510 − 48 =
30. 30.437 − 39 =
31. 31.314 − 27 =
32. 32.220 − 37 =
33. 33.194 − 96 =
34. 34.316 − 37 =
35. 35.485 − 18 =
36. 36.290 − 36 =
37. 37.597 − 66 =
38. 38.164 − 88 =
39. 39.149 − 96 =
40. 40.385 − 88 =

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