1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 779 · 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. 1.594 + 495 =
2. 2.693 + 396 =
3. 3.Take 875. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 932. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 421: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Take 129. Reverse its digits and take the smaller number away from the bigger one. What do you get?
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 7. What is that number?
10. 10.Do the 1089 trick with 507: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
12. 12.Take 255. 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 8. What is that number?
14. 14.297 + 792 =
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
16. 16.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.198 + 891 =
18. 18.Do the 1089 trick with 700: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Take 743. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Take 200. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Take 437. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 720: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 962. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 537. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.396 + 693 =
26. 26.Do the 1089 trick with 109: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 583: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 689: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 466. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 189: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
32. 32.Take 169. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 702. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 513. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 971: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
37. 37.Do the 1089 trick with 466: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 844. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 358: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 912. 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