1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 307 · 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 3. What is that number?
2. 2.Take 917. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
4. 4.Take 750. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Take 668. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.594 + 495 =
8. 8.Do the 1089 trick with 960: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Take 815. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.792 + 297 =
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
15. 15.Take 892. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 126: 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 4. What is that number?
18. 18.891 + 198 =
19. 19.Take 981. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Take 347. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.495 + 594 =
22. 22.297 + 792 =
23. 23.Take 650. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 934: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Do the 1089 trick with 911: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 165: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 590. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 189: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 719. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 913. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 189. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
33. 33.Do the 1089 trick with 942: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.693 + 396 =
35. 35.Take 197. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 517: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Do the 1089 trick with 258: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 701. 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 540. 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