1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 752 · 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 8. What is that number?
2. 2.Take 531. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 911. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 583. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 883. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Do the 1089 trick with 720: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
9. 9.891 + 198 =
10. 10.693 + 396 =
11. 11.Take 409. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 280. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
14. 14.Do the 1089 trick with 765: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Do the 1089 trick with 785: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 612: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 510. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 207. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 681: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 892. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
22. 22.Do the 1089 trick with 725: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
25. 25.Do the 1089 trick with 876: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.396 + 693 =
27. 27.Take 720. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 680. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
31. 31.Do the 1089 trick with 800: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 398: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 590: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.297 + 792 =
37. 37.Take 860. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 810: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.198 + 891 =
40. 40.Take 790. 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