1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 43 · 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 981: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Take 551. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.198 + 891 =
4. 4.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Take 790. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.396 + 693 =
7. 7.Do the 1089 trick with 587: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Take 651. 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 4. What is that number?
10. 10.792 + 297 =
11. 11.Take 669. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 430. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
14. 14.Take 619. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Do the 1089 trick with 317: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
18. 18.Take 681. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Take 963. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Do the 1089 trick with 209: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 791: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 175. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 810. 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 1. What is that number?
26. 26.Do the 1089 trick with 254: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 148: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 563: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 795. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
31. 31.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.891 + 198 =
33. 33.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
35. 35.Do the 1089 trick with 509: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 550: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 500. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 568: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 860. 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