Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 511 · 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. 1.104 − 16 =
2. 2.110 − 68 =
3. 3.477 − 59 =
4. 4.552 − 56 =
5. 5.492 − 89 =
6. 6.383 − 18 =
7. 7.534 − 48 =
8. 8.142 − 88 =
9. 9.341 − 86 =
10. 10.86 − 16 =
11. 11.438 − 47 =
12. 12.329 − 19 =
13. 13.493 − 19 =
14. 14.83 − 57 =
15. 15.505 − 36 =
16. 16.467 − 97 =
17. 17.527 − 47 =
18. 18.310 − 16 =
19. 19.512 − 97 =
20. 20.178 − 16 =
21. 21.350 − 29 =
22. 22.485 − 89 =
23. 23.175 − 36 =
24. 24.360 − 76 =
25. 25.307 − 49 =
26. 26.397 − 69 =
27. 27.106 − 36 =
28. 28.220 − 57 =
29. 29.199 − 68 =
30. 30.342 − 16 =
31. 31.185 − 67 =
32. 32.235 − 48 =
33. 33.342 − 67 =
34. 34.194 − 26 =
35. 35.283 − 58 =
36. 36.445 − 26 =
37. 37.275 − 39 =
38. 38.89 − 29 =
39. 39.216 − 39 =
40. 40.206 − 17 =

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