1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 508 · 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 813. Reverse its digits and take the smaller number away from the bigger one. 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 950: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Take 169. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 570: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 341: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.891 + 198 =
9. 9.Do the 1089 trick with 458: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.198 + 891 =
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
12. 12.Take 577. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
15. 15.Take 732. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 713. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
18. 18.Do the 1089 trick with 125: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 498: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
22. 22.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 406. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 750. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
26. 26.Take 701. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 712. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.297 + 792 =
29. 29.Take 269. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.594 + 495 =
31. 31.Do the 1089 trick with 921: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.693 + 396 =
33. 33.Take 926. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.495 + 594 =
36. 36.Take 802. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.396 + 693 =
38. 38.Do the 1089 trick with 501: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 841: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 830: 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