1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 659 · 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
3. 3.297 + 792 =
4. 4.198 + 891 =
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
6. 6.Take 450. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 520. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Do the 1089 trick with 720: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.396 + 693 =
10. 10.Do the 1089 trick with 542: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Do the 1089 trick with 800: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
13. 13.Do the 1089 trick with 597: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Do the 1089 trick with 950: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
17. 17.Take 410. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.594 + 495 =
19. 19.Do the 1089 trick with 974: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 537: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Take 640. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.495 + 594 =
23. 23.Take 903. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 640: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 830: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 710. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 994. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 810: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 649. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 701: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Do the 1089 trick with 622: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 601: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Do the 1089 trick with 327: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
37. 37.693 + 396 =
38. 38.Take 279. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 530. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 743: 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