1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 449 · 40 questions

The trick (Reverse and subtract): Reverse the number and take the smaller number away from the bigger one. The answer is always one of 198, 297, 396, 495, 594, 693, 792, 891: middle digit 9, first and last digits adding to 9. Reverse that answer and add: you always get 1089.

1. 1.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
2. 2.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.198 + 891 =
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
6. 6.Take 613. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 274. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Take 608. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
10. 10.Take 298. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Take 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 522. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.891 + 198 =
14. 14.Take 560. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 491. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 982. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 843. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
19. 19.297 + 792 =
20. 20.Do the 1089 trick with 321: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 497: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.792 + 297 =
23. 23.Take 826. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 486. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.594 + 495 =
27. 27.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 508. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.495 + 594 =
30. 30.Take 148. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.396 + 693 =
32. 32.Take 430. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 733. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 355. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 388: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Do the 1089 trick with 913: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 944: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 380. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 418. Reverse its digits and take the smaller number away from the bigger one. What do you get?

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