1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 715 · 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 520. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
3. 3.Do the 1089 trick with 907: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Take 461. 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 5. What is that number?
7. 7.Take 216. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.693 + 396 =
9. 9.Take 197. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Do the 1089 trick with 467: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.594 + 495 =
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
13. 13.Take 709. 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 3. What is that number?
15. 15.198 + 891 =
16. 16.Do the 1089 trick with 986: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.297 + 792 =
18. 18.Do the 1089 trick with 220: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.495 + 594 =
20. 20.891 + 198 =
21. 21.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
24. 24.Take 603. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
26. 26.Do the 1089 trick with 416: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 157: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 400: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 955. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
31. 31.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 855: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.792 + 297 =
34. 34.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 541. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 259. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 428: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 528: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 814: 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