1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 718 · 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. 1.198 + 891 =
2. 2.Take 370. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.891 + 198 =
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
5. 5.792 + 297 =
6. 6.495 + 594 =
7. 7.Take 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Do the 1089 trick with 137: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.693 + 396 =
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
12. 12.Take 306. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 587. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
15. 15.Take 806. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 461. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
18. 18.594 + 495 =
19. 19.396 + 693 =
20. 20.Take 812. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 912: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
23. 23.Do the 1089 trick with 279: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Take 329. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 880: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 117. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 650. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 547. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 984. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 498. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 256. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.297 + 792 =
33. 33.Take 530. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 961. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 922. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 219. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 422: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 402: 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