Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 323 · 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. 1.194 − 98 =
2. 2.216 − 66 =
3. 3.202 − 49 =
4. 4.430 − 99 =
5. 5.273 − 66 =
6. 6.168 − 77 =
7. 7.404 − 78 =
8. 8.445 − 69 =
9. 9.304 − 19 =
10. 10.125 − 99 =
11. 11.299 − 78 =
12. 12.535 − 99 =
13. 13.107 − 99 =
14. 14.307 − 19 =
15. 15.515 − 16 =
16. 16.561 − 88 =
17. 17.248 − 57 =
18. 18.105 − 77 =
19. 19.593 − 16 =
20. 20.151 − 57 =
21. 21.224 − 47 =
22. 22.86 − 16 =
23. 23.374 − 19 =
24. 24.173 − 18 =
25. 25.538 − 16 =
26. 26.413 − 98 =
27. 27.479 − 29 =
28. 28.132 − 47 =
29. 29.77 − 27 =
30. 30.411 − 68 =
31. 31.80 − 69 =
32. 32.374 − 47 =
33. 33.302 − 27 =
34. 34.419 − 78 =
35. 35.585 − 97 =
36. 36.569 − 47 =
37. 37.470 − 18 =
38. 38.418 − 66 =
39. 39.385 − 16 =
40. 40.535 − 16 =

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