1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 480 · 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 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 611. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
6. 6.891 + 198 =
7. 7.594 + 495 =
8. 8.396 + 693 =
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
10. 10.792 + 297 =
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
12. 12.Do the 1089 trick with 220: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.693 + 396 =
14. 14.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.198 + 891 =
16. 16.297 + 792 =
17. 17.Take 640. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 842. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Take 174. 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 1. What is that number?
21. 21.Take 710. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 804: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.495 + 594 =
24. 24.Take 138. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 517. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 981: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 851. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 917: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
30. 30.Do the 1089 trick with 219: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 811. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 873. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 731: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
35. 35.Do the 1089 trick with 650: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 137. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 521: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 520. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 487: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 921. 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