1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 756 · 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 6. What is that number?
2. 2.792 + 297 =
3. 3.Do the 1089 trick with 309: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
5. 5.Take 672. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Do the 1089 trick with 690: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Do the 1089 trick with 981: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
11. 11.Do the 1089 trick with 482: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.594 + 495 =
13. 13.Take 907. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.891 + 198 =
15. 15.396 + 693 =
16. 16.Take 442. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 105. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 903. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Take 296. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
21. 21.Do the 1089 trick with 740: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 739. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 511. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
26. 26.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 592. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 880: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 400: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 401. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 518: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 439. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 217. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 370: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 927: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Do the 1089 trick with 823: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 450: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 715. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.198 + 891 =

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks