1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 310 · 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 900: 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 5. What is that number?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
5. 5.693 + 396 =
6. 6.Take 769. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 531. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Take 901. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.396 + 693 =
10. 10.Do the 1089 trick with 994: 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 7. What is that number?
12. 12.891 + 198 =
13. 13.Do the 1089 trick with 139: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
15. 15.Do the 1089 trick with 623: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Do the 1089 trick with 720: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.495 + 594 =
20. 20.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Take 492. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.792 + 297 =
23. 23.297 + 792 =
24. 24.Do the 1089 trick with 466: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 547. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
27. 27.Do the 1089 trick with 740: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.198 + 891 =
29. 29.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
30. 30.Do the 1089 trick with 600: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 551. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 710. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
34. 34.Take 654. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.594 + 495 =
36. 36.Take 580. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 910: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 991: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 289: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 503. 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