1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 63 · 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 921: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Do the 1089 trick with 925: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.792 + 297 =
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
5. 5.Take 147. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Do the 1089 trick with 730: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Do the 1089 trick with 670: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Take 440. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 870. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.198 + 891 =
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
12. 12.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Do the 1089 trick with 653: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.594 + 495 =
15. 15.693 + 396 =
16. 16.297 + 792 =
17. 17.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
19. 19.Do the 1089 trick with 950: 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 1. What is that number?
21. 21.Do the 1089 trick with 456: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 240. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 779. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 791: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 946: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 513. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 256: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 770: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.891 + 198 =
31. 31.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
32. 32.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 891: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 422: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
36. 36.Do the 1089 trick with 205: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Do the 1089 trick with 248: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 274: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 589: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks