1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 734 · 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 500: 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 6. What is that number?
3. 3.Take 974. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.396 + 693 =
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
7. 7.Do the 1089 trick with 850: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Take 745. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
11. 11.297 + 792 =
12. 12.Do the 1089 trick with 719: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.495 + 594 =
15. 15.Take 630. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 912: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Do the 1089 trick with 934: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Do the 1089 trick with 204: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
20. 20.693 + 396 =
21. 21.Take 205. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.594 + 495 =
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
24. 24.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.792 + 297 =
26. 26.Take 752. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 823. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 511. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 419. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 310: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Do the 1089 trick with 622: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 563. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 932. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 380: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 309: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 438: 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