Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 299 · 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. 1.200 − 39 =
2. 2.110 − 86 =
3. 3.206 − 26 =
4. 4.240 − 47 =
5. 5.213 − 18 =
6. 6.85 − 39 =
7. 7.503 − 97 =
8. 8.568 − 57 =
9. 9.306 − 59 =
10. 10.506 − 86 =
11. 11.584 − 26 =
12. 12.292 − 47 =
13. 13.168 − 57 =
14. 14.552 − 46 =
15. 15.389 − 88 =
16. 16.197 − 59 =
17. 17.320 − 46 =
18. 18.244 − 66 =
19. 19.155 − 68 =
20. 20.173 − 59 =
21. 21.102 − 26 =
22. 22.102 − 77 =
23. 23.305 − 18 =
24. 24.309 − 39 =
25. 25.158 − 96 =
26. 26.494 − 38 =
27. 27.230 − 56 =
28. 28.185 − 89 =
29. 29.575 − 77 =
30. 30.176 − 97 =
31. 31.235 − 29 =
32. 32.119 − 77 =
33. 33.585 − 38 =
34. 34.322 − 27 =
35. 35.255 − 66 =
36. 36.177 − 78 =
37. 37.335 − 86 =
38. 38.490 − 59 =
39. 39.287 − 49 =
40. 40.66 − 37 =

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