Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 461 · 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. 1.394 − 77 =
2. 2.223 − 26 =
3. 3.139 − 77 =
4. 4.205 − 48 =
5. 5.100 − 69 =
6. 6.135 − 89 =
7. 7.103 − 57 =
8. 8.438 − 77 =
9. 9.563 − 29 =
10. 10.99 − 89 =
11. 11.263 − 36 =
12. 12.534 − 58 =
13. 13.305 − 76 =
14. 14.243 − 27 =
15. 15.567 − 59 =
16. 16.111 − 16 =
17. 17.165 − 88 =
18. 18.202 − 46 =
19. 19.136 − 66 =
20. 20.78 − 38 =
21. 21.499 − 36 =
22. 22.522 − 57 =
23. 23.143 − 36 =
24. 24.314 − 59 =
25. 25.253 − 68 =
26. 26.464 − 48 =
27. 27.353 − 37 =
28. 28.165 − 78 =
29. 29.186 − 99 =
30. 30.396 − 97 =
31. 31.431 − 78 =
32. 32.380 − 57 =
33. 33.490 − 29 =
34. 34.553 − 37 =
35. 35.594 − 59 =
36. 36.518 − 68 =
37. 37.579 − 16 =
38. 38.479 − 96 =
39. 39.420 − 18 =
40. 40.303 − 48 =

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