1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 975 · 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
2. 2.495 + 594 =
3. 3.693 + 396 =
4. 4.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 397: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.594 + 495 =
8. 8.198 + 891 =
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
10. 10.Take 577. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Do the 1089 trick with 134: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 288. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
15. 15.Take 340. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
19. 19.Take 730. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Take 149. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Take 109. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.396 + 693 =
23. 23.Take 431. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 853. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 765. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.792 + 297 =
27. 27.Take 733. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
29. 29.891 + 198 =
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 689: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Do the 1089 trick with 158: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Do the 1089 trick with 910: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Take 977. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 440. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 482. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 320. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 420. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
40. 40.Do the 1089 trick with 850: 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