1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 134 · 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. 1.495 + 594 =
2. 2.Do the 1089 trick with 947: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Do the 1089 trick with 593: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.396 + 693 =
5. 5.198 + 891 =
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
7. 7.792 + 297 =
8. 8.594 + 495 =
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
10. 10.Take 960. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
12. 12.Do the 1089 trick with 104: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Do the 1089 trick with 461: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 502. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Do the 1089 trick with 450: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 832: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 366. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.297 + 792 =
19. 19.693 + 396 =
20. 20.Take 690. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Take 209. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Take 320. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
24. 24.Take 370. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 278. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 436. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Do the 1089 trick with 300: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 421: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 855. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 790. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 400. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
33. 33.Take 159. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 583. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
36. 36.Take 359. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
38. 38.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 611. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 379. 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