Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 743 · 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. 1.352 − 66 =
2. 2.280 − 49 =
3. 3.471 − 68 =
4. 4.185 − 16 =
5. 5.399 − 58 =
6. 6.498 − 79 =
7. 7.531 − 77 =
8. 8.167 − 18 =
9. 9.586 − 19 =
10. 10.167 − 48 =
11. 11.489 − 69 =
12. 12.165 − 66 =
13. 13.368 − 47 =
14. 14.265 − 27 =
15. 15.528 − 29 =
16. 16.502 − 36 =
17. 17.189 − 99 =
18. 18.586 − 18 =
19. 19.400 − 86 =
20. 20.555 − 39 =
21. 21.546 − 29 =
22. 22.579 − 36 =
23. 23.503 − 66 =
24. 24.395 − 88 =
25. 25.222 − 36 =
26. 26.184 − 86 =
27. 27.496 − 46 =
28. 28.434 − 16 =
29. 29.105 − 66 =
30. 30.158 − 76 =
31. 31.246 − 98 =
32. 32.168 − 88 =
33. 33.144 − 38 =
34. 34.513 − 56 =
35. 35.110 − 58 =
36. 36.432 − 38 =
37. 37.155 − 17 =
38. 38.130 − 29 =
39. 39.170 − 49 =
40. 40.516 − 77 =

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