1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 666 · 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 138: 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.Do the 1089 trick with 961: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Take 814. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 903: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 559: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
10. 10.891 + 198 =
11. 11.Do the 1089 trick with 200: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.396 + 693 =
13. 13.792 + 297 =
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
15. 15.Take 822. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.495 + 594 =
17. 17.Do the 1089 trick with 623: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Do the 1089 trick with 700: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Take 367. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.594 + 495 =
21. 21.Take 903. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 630: 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. 24.693 + 396 =
25. 25.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 219: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 602. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 490: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 108. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 402: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 970. 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 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.297 + 792 =
36. 36.Do the 1089 trick with 218: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 973. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 628: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 842: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 319: 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