Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 344 · 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. 1.499 − 86 =
2. 2.377 − 46 =
3. 3.229 − 46 =
4. 4.582 − 29 =
5. 5.349 − 16 =
6. 6.571 − 16 =
7. 7.112 − 66 =
8. 8.375 − 19 =
9. 9.411 − 19 =
10. 10.570 − 27 =
11. 11.169 − 96 =
12. 12.116 − 96 =
13. 13.169 − 27 =
14. 14.331 − 28 =
15. 15.145 − 16 =
16. 16.414 − 49 =
17. 17.437 − 38 =
18. 18.153 − 56 =
19. 19.478 − 17 =
20. 20.208 − 77 =
21. 21.594 − 68 =
22. 22.237 − 57 =
23. 23.187 − 96 =
24. 24.327 − 19 =
25. 25.233 − 27 =
26. 26.125 − 79 =
27. 27.504 − 38 =
28. 28.273 − 37 =
29. 29.512 − 49 =
30. 30.123 − 29 =
31. 31.569 − 27 =
32. 32.372 − 96 =
33. 33.335 − 17 =
34. 34.153 − 89 =
35. 35.568 − 97 =
36. 36.167 − 99 =
37. 37.160 − 69 =
38. 38.218 − 86 =
39. 39.140 − 46 =
40. 40.68 − 58 =

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