Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 696 · 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. 1.154 − 96 =
2. 2.298 − 67 =
3. 3.458 − 79 =
4. 4.510 − 26 =
5. 5.361 − 69 =
6. 6.387 − 49 =
7. 7.173 − 76 =
8. 8.306 − 16 =
9. 9.151 − 27 =
10. 10.371 − 19 =
11. 11.548 − 26 =
12. 12.407 − 46 =
13. 13.289 − 76 =
14. 14.520 − 67 =
15. 15.545 − 87 =
16. 16.577 − 69 =
17. 17.131 − 86 =
18. 18.414 − 18 =
19. 19.234 − 56 =
20. 20.192 − 88 =
21. 21.200 − 57 =
22. 22.233 − 56 =
23. 23.396 − 87 =
24. 24.119 − 16 =
25. 25.416 − 47 =
26. 26.305 − 48 =
27. 27.536 − 38 =
28. 28.187 − 16 =
29. 29.350 − 49 =
30. 30.373 − 26 =
31. 31.206 − 28 =
32. 32.501 − 99 =
33. 33.83 − 16 =
34. 34.479 − 26 =
35. 35.383 − 59 =
36. 36.391 − 36 =
37. 37.352 − 36 =
38. 38.413 − 26 =
39. 39.387 − 88 =
40. 40.491 − 78 =

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