Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 594 · 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. 1.243 − 18 =
2. 2.372 − 57 =
3. 3.256 − 58 =
4. 4.389 − 26 =
5. 5.340 − 78 =
6. 6.111 − 57 =
7. 7.246 − 79 =
8. 8.104 − 17 =
9. 9.552 − 69 =
10. 10.501 − 18 =
11. 11.151 − 18 =
12. 12.320 − 79 =
13. 13.345 − 28 =
14. 14.122 − 47 =
15. 15.191 − 59 =
16. 16.391 − 18 =
17. 17.516 − 79 =
18. 18.198 − 26 =
19. 19.461 − 49 =
20. 20.267 − 39 =
21. 21.137 − 27 =
22. 22.114 − 57 =
23. 23.550 − 16 =
24. 24.199 − 36 =
25. 25.301 − 46 =
26. 26.271 − 66 =
27. 27.416 − 99 =
28. 28.408 − 36 =
29. 29.358 − 68 =
30. 30.292 − 26 =
31. 31.429 − 26 =
32. 32.515 − 99 =
33. 33.275 − 59 =
34. 34.182 − 66 =
35. 35.282 − 99 =
36. 36.213 − 37 =
37. 37.193 − 98 =
38. 38.137 − 18 =
39. 39.105 − 38 =
40. 40.453 − 38 =

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