1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 257 · 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 1. What is that number?
2. 2.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 937. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 128: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 512: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Take 885. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Take 854. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 559. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Do the 1089 trick with 426: 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 4. What is that number?
12. 12.297 + 792 =
13. 13.Do the 1089 trick with 138: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 936. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.594 + 495 =
16. 16.693 + 396 =
17. 17.Take 780. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Take 621. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.792 + 297 =
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
22. 22.495 + 594 =
23. 23.Do the 1089 trick with 401: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Do the 1089 trick with 533: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.198 + 891 =
26. 26.891 + 198 =
27. 27.Take 975. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 572. Reverse its digits and take the smaller number away from the bigger one. 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.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 441: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 781. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 960: 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 5. What is that number?
36. 36.Take 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.396 + 693 =
38. 38.Take 450. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 940: 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