1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 217 · 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 810. 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 7. What is that number?
3. 3.Do the 1089 trick with 224: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
5. 5.Do the 1089 trick with 540: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
8. 8.Do the 1089 trick with 880: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.594 + 495 =
10. 10.Do the 1089 trick with 883: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 632. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 411. 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.Do the 1089 trick with 833: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.198 + 891 =
18. 18.Do the 1089 trick with 239: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 229: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.495 + 594 =
22. 22.Take 163. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.396 + 693 =
25. 25.Do the 1089 trick with 722: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 466. 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 4. What is that number?
28. 28.Do the 1089 trick with 117: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 853. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 318. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 116: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 850. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 751: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
37. 37.693 + 396 =
38. 38.Take 532. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 780: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 498. 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