1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 613 · 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 1. What is that number?
2. 2.Do the 1089 trick with 620: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.396 + 693 =
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
5. 5.Take 350. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Take 500. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.792 + 297 =
8. 8.Take 277. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
10. 10.Take 530. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Do the 1089 trick with 690: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 149. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Do the 1089 trick with 562: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
15. 15.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 590. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 226. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Take 123. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Do the 1089 trick with 840: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 163: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 902. 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 5. What is that number?
24. 24.Do the 1089 trick with 996: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.198 + 891 =
26. 26.Do the 1089 trick with 176: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 941: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.594 + 495 =
29. 29.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
30. 30.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 279: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.495 + 594 =
34. 34.Do the 1089 trick with 704: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.297 + 792 =
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
37. 37.Take 619. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 339. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 296: 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