1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 771 · 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
3. 3.Take 331. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 972. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 207. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.693 + 396 =
7. 7.297 + 792 =
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
9. 9.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.Do the 1089 trick with 237: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.495 + 594 =
12. 12.Take 901. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 177. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Do the 1089 trick with 830: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Do the 1089 trick with 592: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.594 + 495 =
17. 17.Do the 1089 trick with 236: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Do the 1089 trick with 119: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.792 + 297 =
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
21. 21.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 890. 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 5. What is that number?
24. 24.Do the 1089 trick with 914: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 794. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 178. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Do the 1089 trick with 209: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
29. 29.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 660. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 831. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 812. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 835. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 168: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 225: 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 8. What is that number?
38. 38.Do the 1089 trick with 681: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
40. 40.Take 902. 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