Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 321 · 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. 1.534 − 16 =
2. 2.367 − 78 =
3. 3.237 − 39 =
4. 4.335 − 88 =
5. 5.197 − 98 =
6. 6.471 − 58 =
7. 7.275 − 19 =
8. 8.412 − 96 =
9. 9.488 − 88 =
10. 10.380 − 68 =
11. 11.521 − 48 =
12. 12.558 − 98 =
13. 13.56 − 26 =
14. 14.233 − 48 =
15. 15.594 − 58 =
16. 16.318 − 26 =
17. 17.239 − 96 =
18. 18.585 − 89 =
19. 19.103 − 87 =
20. 20.441 − 77 =
21. 21.419 − 86 =
22. 22.135 − 77 =
23. 23.395 − 96 =
24. 24.58 − 48 =
25. 25.222 − 78 =
26. 26.125 − 89 =
27. 27.538 − 97 =
28. 28.593 − 18 =
29. 29.357 − 87 =
30. 30.70 − 28 =
31. 31.85 − 78 =
32. 32.237 − 87 =
33. 33.401 − 67 =
34. 34.598 − 69 =
35. 35.86 − 77 =
36. 36.131 − 78 =
37. 37.277 − 67 =
38. 38.398 − 59 =
39. 39.465 − 26 =
40. 40.131 − 16 =

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