Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 713 · 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. 1.486 − 57 =
2. 2.447 − 87 =
3. 3.462 − 86 =
4. 4.263 − 76 =
5. 5.292 − 29 =
6. 6.160 − 76 =
7. 7.307 − 56 =
8. 8.245 − 29 =
9. 9.445 − 86 =
10. 10.345 − 96 =
11. 11.563 − 28 =
12. 12.318 − 67 =
13. 13.356 − 47 =
14. 14.490 − 68 =
15. 15.269 − 16 =
16. 16.540 − 56 =
17. 17.442 − 86 =
18. 18.586 − 58 =
19. 19.434 − 49 =
20. 20.340 − 98 =
21. 21.396 − 36 =
22. 22.579 − 87 =
23. 23.479 − 16 =
24. 24.588 − 96 =
25. 25.253 − 36 =
26. 26.271 − 49 =
27. 27.79 − 39 =
28. 28.365 − 18 =
29. 29.113 − 26 =
30. 30.531 − 27 =
31. 31.118 − 87 =
32. 32.79 − 58 =
33. 33.172 − 58 =
34. 34.186 − 96 =
35. 35.565 − 29 =
36. 36.505 − 69 =
37. 37.270 − 99 =
38. 38.378 − 57 =
39. 39.67 − 27 =
40. 40.382 − 68 =

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