1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 929 · 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. 1.891 + 198 =
2. 2.495 + 594 =
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
4. 4.Do the 1089 trick with 460: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
6. 6.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 789. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
9. 9.396 + 693 =
10. 10.297 + 792 =
11. 11.Take 882. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 250. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 880. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
15. 15.Take 932. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
17. 17.198 + 891 =
18. 18.Take 420. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
21. 21.Take 770. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 480: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.693 + 396 =
24. 24.Do the 1089 trick with 274: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 133. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 218. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 258. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 503: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 699: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 775. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 702. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 570. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 733. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
38. 38.Do the 1089 trick with 239: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 360: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 437. 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