1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 308 · 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 956: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Take 138. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 870. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
6. 6.Take 195. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.594 + 495 =
8. 8.Do the 1089 trick with 941: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Do the 1089 trick with 521: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
12. 12.Do the 1089 trick with 240: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 896. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Take 927. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 631. 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 3. What is that number?
17. 17.Do the 1089 trick with 376: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
19. 19.Do the 1089 trick with 422: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 369: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.693 + 396 =
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
24. 24.297 + 792 =
25. 25.Take 802. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 117: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.792 + 297 =
28. 28.Do the 1089 trick with 210: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
30. 30.Do the 1089 trick with 260: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 892. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.198 + 891 =
34. 34.495 + 594 =
35. 35.Take 760. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 522. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 520. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 315: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 620: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 188. 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