Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 92 · 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. 1.453 − 69 =
2. 2.348 − 17 =
3. 3.421 − 26 =
4. 4.342 − 97 =
5. 5.381 − 87 =
6. 6.277 − 18 =
7. 7.523 − 26 =
8. 8.99 − 37 =
9. 9.589 − 66 =
10. 10.100 − 67 =
11. 11.458 − 29 =
12. 12.402 − 67 =
13. 13.354 − 87 =
14. 14.230 − 69 =
15. 15.161 − 56 =
16. 16.183 − 56 =
17. 17.381 − 28 =
18. 18.181 − 97 =
19. 19.118 − 67 =
20. 20.172 − 57 =
21. 21.498 − 49 =
22. 22.513 − 88 =
23. 23.567 − 29 =
24. 24.420 − 59 =
25. 25.154 − 18 =
26. 26.150 − 98 =
27. 27.187 − 59 =
28. 28.387 − 97 =
29. 29.252 − 28 =
30. 30.101 − 48 =
31. 31.311 − 76 =
32. 32.115 − 28 =
33. 33.448 − 88 =
34. 34.156 − 19 =
35. 35.283 − 48 =
36. 36.552 − 56 =
37. 37.589 − 17 =
38. 38.239 − 89 =
39. 39.456 − 29 =
40. 40.433 − 16 =

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