1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 339 · 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 519: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
3. 3.792 + 297 =
4. 4.Do the 1089 trick with 327: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.396 + 693 =
6. 6.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Do the 1089 trick with 366: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.594 + 495 =
9. 9.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Take 208. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Take 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.198 + 891 =
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 654: 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 8. What is that number?
16. 16.891 + 198 =
17. 17.Take 195. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 863: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 731: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 770. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 681: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 330. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
24. 24.Take 589. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.693 + 396 =
26. 26.Take 954. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 240. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 669: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 500: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 114. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
32. 32.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 681. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
35. 35.Take 366. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.297 + 792 =
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
38. 38.Take 663. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 749: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 890: reverse and subtract, then reverse that answer and add. What do you get?

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