Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 11 · 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. 1.444 − 28 =
2. 2.507 − 57 =
3. 3.515 − 77 =
4. 4.580 − 79 =
5. 5.168 − 97 =
6. 6.105 − 47 =
7. 7.436 − 98 =
8. 8.414 − 16 =
9. 9.569 − 29 =
10. 10.207 − 87 =
11. 11.405 − 97 =
12. 12.414 − 27 =
13. 13.125 − 57 =
14. 14.187 − 58 =
15. 15.198 − 18 =
16. 16.223 − 17 =
17. 17.599 − 29 =
18. 18.568 − 69 =
19. 19.93 − 77 =
20. 20.544 − 29 =
21. 21.522 − 47 =
22. 22.136 − 36 =
23. 23.599 − 59 =
24. 24.385 − 16 =
25. 25.89 − 78 =
26. 26.130 − 48 =
27. 27.285 − 47 =
28. 28.153 − 97 =
29. 29.499 − 86 =
30. 30.213 − 49 =
31. 31.102 − 28 =
32. 32.394 − 89 =
33. 33.294 − 69 =
34. 34.286 − 57 =
35. 35.85 − 17 =
36. 36.109 − 49 =
37. 37.367 − 19 =
38. 38.563 − 78 =
39. 39.433 − 99 =
40. 40.351 − 37 =

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