1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 557 · 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 3. What is that number?
2. 2.198 + 891 =
3. 3.Take 220. 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 7. What is that number?
5. 5.Take 905. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Take 470. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.594 + 495 =
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
9. 9.792 + 297 =
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
11. 11.Take 296. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Do the 1089 trick with 690: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 460. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.891 + 198 =
15. 15.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 944. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 950: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 491: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 911: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 143: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Do the 1089 trick with 199: reverse and subtract, then reverse that answer and add. 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 360. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 103. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 910: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 901: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 623: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.495 + 594 =
32. 32.Take 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 930. 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 4. What is that number?
35. 35.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
36. 36.297 + 792 =
37. 37.Take 823. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 361. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 114. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 784: reverse and subtract, then reverse that answer and add. What do you get?

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