1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 486 · 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. 2.297 + 792 =
3. 3.Take 689. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 328. 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 6. What is that number?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
8. 8.Take 860. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Do the 1089 trick with 922: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.Take 401. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
12. 12.Take 139. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 268. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.792 + 297 =
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
16. 16.Take 234. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 851. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 619: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.594 + 495 =
20. 20.891 + 198 =
21. 21.Take 441. 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 5. What is that number?
23. 23.Take 391. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
25. 25.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 901: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 702: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 390. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 104: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.495 + 594 =
31. 31.396 + 693 =
32. 32.Do the 1089 trick with 703: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Do the 1089 trick with 722: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Take 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 670. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 406: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 335. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 971. 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