1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 965 · 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 386. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Do the 1089 trick with 227: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Do the 1089 trick with 376: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Do the 1089 trick with 155: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.594 + 495 =
6. 6.Take 550. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 409. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Take 620. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 851. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
11. 11.693 + 396 =
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
13. 13.Take 773. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
15. 15.792 + 297 =
16. 16.Take 500. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.198 + 891 =
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
19. 19.495 + 594 =
20. 20.Take 841. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Take 927. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Take 320. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 614. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 713: 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 6. What is that number?
26. 26.Do the 1089 trick with 652: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 981. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 741. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 143: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
33. 33.Take 856. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 774. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 429: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.396 + 693 =
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
38. 38.297 + 792 =
39. 39.Do the 1089 trick with 612: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 472: 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