1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 439 · 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 591. 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 1. What is that number?
3. 3.198 + 891 =
4. 4.Take 406. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
6. 6.297 + 792 =
7. 7.Take 519. Reverse its digits and take the smaller number away from the bigger one. 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. 9.396 + 693 =
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
11. 11.Take 930. 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 6. What is that number?
13. 13.Do the 1089 trick with 109: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 210. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 925. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.495 + 594 =
17. 17.Take 299. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 882: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
20. 20.Do the 1089 trick with 925: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 960: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 290. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 321. 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 4. What is that number?
26. 26.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.594 + 495 =
28. 28.Take 560. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 821. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 258: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 689. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
34. 34.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 530. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.792 + 297 =
37. 37.Do the 1089 trick with 950: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 700: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 912. 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