1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 838 · 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 650: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Take 640. 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 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 399. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
7. 7.297 + 792 =
8. 8.Do the 1089 trick with 106: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.198 + 891 =
10. 10.693 + 396 =
11. 11.Do the 1089 trick with 880: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.891 + 198 =
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
14. 14.Take 881. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 926. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
18. 18.495 + 594 =
19. 19.Do the 1089 trick with 661: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 911. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Take 602. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Take 660. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 298. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 458. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 781: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
27. 27.594 + 495 =
28. 28.Do the 1089 trick with 851: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 910: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 284: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 580. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 794. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 209. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 620: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Do the 1089 trick with 941: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 850: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 880. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 458: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 821: 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