1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 743 · 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 2. What is that number?
2. 2.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.594 + 495 =
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
5. 5.Take 683. 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. 7.792 + 297 =
8. 8.Take 850. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 620. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.297 + 792 =
11. 11.Do the 1089 trick with 955: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
13. 13.198 + 891 =
14. 14.891 + 198 =
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
16. 16.Take 294. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 723. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 397: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 521: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 960. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
22. 22.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Do the 1089 trick with 640: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Take 220. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 917: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 119: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 954. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 932: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 346. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.396 + 693 =
33. 33.Take 781. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.693 + 396 =
35. 35.Take 550. 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 3. What is that number?
37. 37.Do the 1089 trick with 790: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 721. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 119. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 462. 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