1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 432 · 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. 1.792 + 297 =
2. 2.Take 552. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 997. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.198 + 891 =
5. 5.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Do the 1089 trick with 992: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Do the 1089 trick with 420: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Take 600. 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 2. What is that number?
10. 10.Do the 1089 trick with 661: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Take 782. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 931. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 380: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Do the 1089 trick with 200: 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 4. What is that number?
20. 20.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Take 953. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.594 + 495 =
23. 23.495 + 594 =
24. 24.Take 560. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 185. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 116. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 823. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 126. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.297 + 792 =
30. 30.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
31. 31.Do the 1089 trick with 520: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 105. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 907. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 538. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.396 + 693 =
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
37. 37.Do the 1089 trick with 904: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 328: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 194: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 159: 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