1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 708 · 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.Take 452. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Take 800. 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 8. What is that number?
4. 4.Take 499. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 682. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.198 + 891 =
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
8. 8.Take 806. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
10. 10.Take 892. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Take 744. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.693 + 396 =
13. 13.Take 904. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Take 752. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 369. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 599: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Do the 1089 trick with 690: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Do the 1089 trick with 459: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Take 500. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.594 + 495 =
21. 21.Do the 1089 trick with 457: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
23. 23.Do the 1089 trick with 136: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
25. 25.Do the 1089 trick with 880: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 841. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
28. 28.Do the 1089 trick with 551: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 471. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 973: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 270: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 803. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.792 + 297 =
35. 35.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
37. 37.Take 214. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.891 + 198 =
39. 39.396 + 693 =
40. 40.Do the 1089 trick with 628: 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