1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 524 · 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.Take 582. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Do the 1089 trick with 389: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
4. 4.Take 844. Reverse its digits and take the smaller number away from the bigger one. 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 962. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 580. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Do the 1089 trick with 119: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Take 345. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
12. 12.Take 109. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.198 + 891 =
14. 14.Take 680. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Do the 1089 trick with 791: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
18. 18.594 + 495 =
19. 19.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
20. 20.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.297 + 792 =
22. 22.Take 148. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 438. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 429. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 370: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 167. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 127. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 922. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 893. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 971: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 518. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 702: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.792 + 297 =
36. 36.Take 709. 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 3. What is that number?
38. 38.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 218: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.396 + 693 =

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