Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 98 · 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. 1.496 − 29 =
2. 2.242 − 26 =
3. 3.464 − 27 =
4. 4.55 − 16 =
5. 5.136 − 29 =
6. 6.553 − 86 =
7. 7.165 − 57 =
8. 8.493 − 87 =
9. 9.113 − 77 =
10. 10.132 − 17 =
11. 11.464 − 79 =
12. 12.345 − 49 =
13. 13.557 − 49 =
14. 14.407 − 68 =
15. 15.71 − 39 =
16. 16.496 − 38 =
17. 17.335 − 68 =
18. 18.382 − 69 =
19. 19.154 − 46 =
20. 20.151 − 27 =
21. 21.593 − 29 =
22. 22.236 − 66 =
23. 23.100 − 66 =
24. 24.482 − 87 =
25. 25.157 − 17 =
26. 26.360 − 77 =
27. 27.441 − 46 =
28. 28.278 − 88 =
29. 29.168 − 68 =
30. 30.193 − 69 =
31. 31.571 − 96 =
32. 32.68 − 38 =
33. 33.186 − 29 =
34. 34.522 − 26 =
35. 35.467 − 89 =
36. 36.530 − 28 =
37. 37.76 − 19 =
38. 38.527 − 39 =
39. 39.378 − 66 =
40. 40.105 − 46 =

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