Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 432 · 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. 1.313 − 28 =
2. 2.177 − 48 =
3. 3.257 − 19 =
4. 4.447 − 89 =
5. 5.83 − 38 =
6. 6.307 − 28 =
7. 7.67 − 16 =
8. 8.373 − 37 =
9. 9.581 − 16 =
10. 10.436 − 68 =
11. 11.131 − 96 =
12. 12.321 − 79 =
13. 13.482 − 16 =
14. 14.287 − 37 =
15. 15.280 − 88 =
16. 16.438 − 76 =
17. 17.213 − 76 =
18. 18.285 − 77 =
19. 19.206 − 66 =
20. 20.299 − 28 =
21. 21.325 − 56 =
22. 22.186 − 47 =
23. 23.475 − 57 =
24. 24.333 − 78 =
25. 25.152 − 99 =
26. 26.585 − 57 =
27. 27.229 − 48 =
28. 28.413 − 36 =
29. 29.254 − 37 =
30. 30.327 − 26 =
31. 31.164 − 97 =
32. 32.490 − 76 =
33. 33.156 − 79 =
34. 34.281 − 19 =
35. 35.545 − 39 =
36. 36.208 − 29 =
37. 37.242 − 27 =
38. 38.284 − 26 =
39. 39.398 − 97 =
40. 40.228 − 58 =

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