1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 484 · 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.Take 770. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.693 + 396 =
3. 3.297 + 792 =
4. 4.Do the 1089 trick with 279: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Take 381. Reverse its digits and take the smaller number away from the bigger one. What do you get?
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 119: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Do the 1089 trick with 733: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
12. 12.Take 185. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.891 + 198 =
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
15. 15.Do the 1089 trick with 139: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Take 500. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 669: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Do the 1089 trick with 155: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 812: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.198 + 891 =
21. 21.Take 622. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Take 611. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 290: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Do the 1089 trick with 764: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.792 + 297 =
27. 27.Do the 1089 trick with 359: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
29. 29.Take 721. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 700: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 219. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 280. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
35. 35.Take 914. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
37. 37.Take 825. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 851: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 198. 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