Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 270 · 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. 1.312 − 67 =
2. 2.435 − 18 =
3. 3.209 − 66 =
4. 4.141 − 99 =
5. 5.309 − 67 =
6. 6.551 − 66 =
7. 7.120 − 98 =
8. 8.118 − 16 =
9. 9.140 − 27 =
10. 10.180 − 16 =
11. 11.220 − 86 =
12. 12.175 − 97 =
13. 13.209 − 17 =
14. 14.574 − 28 =
15. 15.233 − 89 =
16. 16.376 − 86 =
17. 17.304 − 69 =
18. 18.317 − 18 =
19. 19.143 − 77 =
20. 20.184 − 87 =
21. 21.579 − 18 =
22. 22.360 − 86 =
23. 23.211 − 56 =
24. 24.288 − 76 =
25. 25.356 − 66 =
26. 26.544 − 27 =
27. 27.187 − 96 =
28. 28.424 − 39 =
29. 29.429 − 59 =
30. 30.230 − 37 =
31. 31.214 − 87 =
32. 32.410 − 47 =
33. 33.557 − 68 =
34. 34.81 − 57 =
35. 35.354 − 68 =
36. 36.111 − 16 =
37. 37.477 − 16 =
38. 38.222 − 16 =
39. 39.158 − 58 =
40. 40.370 − 69 =

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