1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 724 · 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 4. What is that number?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
3. 3.Take 421. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
5. 5.Do the 1089 trick with 225: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.693 + 396 =
7. 7.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
10. 10.Take 401. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Do the 1089 trick with 956: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Do the 1089 trick with 996: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 981. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.495 + 594 =
16. 16.Take 540. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 770. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
19. 19.396 + 693 =
20. 20.Take 720. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 851: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.792 + 297 =
23. 23.Take 280. 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 6. What is that number?
25. 25.Take 429. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.594 + 495 =
27. 27.Do the 1089 trick with 984: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 824: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.198 + 891 =
30. 30.Do the 1089 trick with 450: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 340: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 842. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 298. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 884: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 133. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 775: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
38. 38.Take 300. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 942. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 784: 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