1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 469 · 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 7. What is that number?
2. 2.Take 689. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 965. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.792 + 297 =
5. 5.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 811: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Do the 1089 trick with 416: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.Do the 1089 trick with 320: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.198 + 891 =
13. 13.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Do the 1089 trick with 987: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
16. 16.Take 430. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 956. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.297 + 792 =
19. 19.Do the 1089 trick with 123: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
21. 21.Take 603. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Take 582. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
24. 24.Do the 1089 trick with 330: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.693 + 396 =
26. 26.Do the 1089 trick with 692: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 258: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
29. 29.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 912: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 589. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 369: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Do the 1089 trick with 824: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 714: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.396 + 693 =
38. 38.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
39. 39.891 + 198 =
40. 40.Take 520. 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