Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 56 · 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. 1.92 − 28 =
2. 2.489 − 97 =
3. 3.377 − 96 =
4. 4.336 − 17 =
5. 5.353 − 88 =
6. 6.379 − 57 =
7. 7.451 − 59 =
8. 8.328 − 66 =
9. 9.103 − 76 =
10. 10.551 − 66 =
11. 11.123 − 47 =
12. 12.584 − 18 =
13. 13.524 − 16 =
14. 14.498 − 96 =
15. 15.457 − 38 =
16. 16.240 − 97 =
17. 17.192 − 28 =
18. 18.69 − 39 =
19. 19.104 − 97 =
20. 20.74 − 48 =
21. 21.162 − 77 =
22. 22.138 − 17 =
23. 23.264 − 76 =
24. 24.255 − 17 =
25. 25.110 − 26 =
26. 26.323 − 66 =
27. 27.385 − 59 =
28. 28.385 − 39 =
29. 29.399 − 18 =
30. 30.259 − 19 =
31. 31.358 − 78 =
32. 32.103 − 27 =
33. 33.437 − 47 =
34. 34.517 − 76 =
35. 35.107 − 59 =
36. 36.83 − 49 =
37. 37.178 − 47 =
38. 38.479 − 27 =
39. 39.401 − 56 =
40. 40.153 − 66 =

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