Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 717 · 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. 1.196 − 76 =
2. 2.469 − 28 =
3. 3.63 − 28 =
4. 4.75 − 49 =
5. 5.531 − 76 =
6. 6.472 − 67 =
7. 7.243 − 97 =
8. 8.115 − 47 =
9. 9.240 − 56 =
10. 10.184 − 26 =
11. 11.165 − 98 =
12. 12.217 − 77 =
13. 13.171 − 16 =
14. 14.204 − 47 =
15. 15.207 − 18 =
16. 16.358 − 79 =
17. 17.105 − 77 =
18. 18.329 − 19 =
19. 19.558 − 78 =
20. 20.179 − 96 =
21. 21.84 − 57 =
22. 22.91 − 56 =
23. 23.424 − 46 =
24. 24.458 − 36 =
25. 25.171 − 77 =
26. 26.299 − 88 =
27. 27.362 − 89 =
28. 28.368 − 59 =
29. 29.206 − 19 =
30. 30.263 − 56 =
31. 31.323 − 98 =
32. 32.235 − 38 =
33. 33.591 − 99 =
34. 34.263 − 48 =
35. 35.584 − 19 =
36. 36.336 − 88 =
37. 37.433 − 86 =
38. 38.439 − 27 =
39. 39.591 − 79 =
40. 40.343 − 86 =

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