1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 255 · 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 7. What is that number?
2. 2.495 + 594 =
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
4. 4.Take 991. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 907: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.297 + 792 =
7. 7.693 + 396 =
8. 8.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.198 + 891 =
10. 10.Take 749. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Do the 1089 trick with 256: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 780. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Do the 1089 trick with 690: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 701. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 219. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 834. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 260. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.792 + 297 =
19. 19.Do the 1089 trick with 518: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 701: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 981: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 760. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 399. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 573. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 740. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Do the 1089 trick with 276: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 411. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 903. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 960: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 365: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 520. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 189: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
36. 36.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.891 + 198 =
38. 38.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
39. 39.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.396 + 693 =

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