1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 673 · 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.Do the 1089 trick with 943: reverse and subtract, then reverse that answer and add. 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.Do the 1089 trick with 612: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
5. 5.693 + 396 =
6. 6.297 + 792 =
7. 7.Do the 1089 trick with 580: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.792 + 297 =
9. 9.891 + 198 =
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
11. 11.Take 934. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Do the 1089 trick with 630: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.495 + 594 =
14. 14.Take 875. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Do the 1089 trick with 125: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 841: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Do the 1089 trick with 310: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 173: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 532. 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 6. What is that number?
22. 22.594 + 495 =
23. 23.Take 570. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 134: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 105. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 823: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 497. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 784. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 910: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 861. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 406. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 884: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Take 351. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 629: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 620: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 650. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.396 + 693 =
40. 40.198 + 891 =

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