1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 815 · 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 810. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Do the 1089 trick with 227: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Take 257. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.594 + 495 =
5. 5.Take 219. 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
8. 8.Take 442. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 790. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Take 926. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Take 941. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
13. 13.693 + 396 =
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
15. 15.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 206: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Do the 1089 trick with 954: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
19. 19.Take 198. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
22. 22.297 + 792 =
23. 23.Take 962. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.891 + 198 =
25. 25.Take 850. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 139: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 520. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 629. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
30. 30.Take 480. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 590: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Do the 1089 trick with 418: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 518. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 801. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.396 + 693 =
38. 38.Take 299. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 284. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.495 + 594 =

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks