1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 10 · 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. 1.396 + 693 =
2. 2.Take 871. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
4. 4.Take 297. 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 7. What is that number?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
7. 7.Do the 1089 trick with 448: 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 8. What is that number?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
10. 10.Do the 1089 trick with 230: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.594 + 495 =
12. 12.891 + 198 =
13. 13.495 + 594 =
14. 14.Take 376. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Do the 1089 trick with 872: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 620: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 137. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.198 + 891 =
19. 19.Do the 1089 trick with 721: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 307. 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 2. What is that number?
22. 22.Do the 1089 trick with 570: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 437. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 903: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 325. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 811. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 422: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 187: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.297 + 792 =
31. 31.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 710. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
35. 35.Do the 1089 trick with 981: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 490: 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 5. What is that number?
38. 38.Do the 1089 trick with 800: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 127. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 199: 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