1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 789 · 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.Do the 1089 trick with 145: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Take 730. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.594 + 495 =
4. 4.297 + 792 =
5. 5.495 + 594 =
6. 6.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Take 903. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Do the 1089 trick with 139: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Take 188. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Do the 1089 trick with 245: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
12. 12.Take 710. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 721. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
16. 16.Take 590. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 792: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.198 + 891 =
19. 19.Do the 1089 trick with 119: 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 8. What is that number?
21. 21.Take 319. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Take 790. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 196. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 350: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 714. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 601: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 699: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
31. 31.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
33. 33.Do the 1089 trick with 154: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.396 + 693 =
35. 35.Take 661. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.693 + 396 =
37. 37.Take 719. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 490. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 480: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 476. 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