Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 903 · 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. 1.366 − 29 =
2. 2.517 − 19 =
3. 3.584 − 27 =
4. 4.305 − 16 =
5. 5.545 − 96 =
6. 6.475 − 27 =
7. 7.367 − 97 =
8. 8.535 − 47 =
9. 9.559 − 18 =
10. 10.481 − 77 =
11. 11.553 − 76 =
12. 12.242 − 67 =
13. 13.489 − 96 =
14. 14.226 − 39 =
15. 15.441 − 78 =
16. 16.185 − 27 =
17. 17.140 − 87 =
18. 18.110 − 86 =
19. 19.565 − 79 =
20. 20.510 − 69 =
21. 21.218 − 18 =
22. 22.581 − 27 =
23. 23.117 − 39 =
24. 24.275 − 67 =
25. 25.81 − 16 =
26. 26.347 − 48 =
27. 27.158 − 79 =
28. 28.95 − 88 =
29. 29.186 − 47 =
30. 30.141 − 49 =
31. 31.462 − 78 =
32. 32.196 − 29 =
33. 33.82 − 69 =
34. 34.542 − 66 =
35. 35.254 − 16 =
36. 36.581 − 27 =
37. 37.58 − 56 =
38. 38.543 − 96 =
39. 39.564 − 38 =
40. 40.316 − 57 =

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