1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 260 · 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 1. What is that number?
2. 2.Do the 1089 trick with 215: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.594 + 495 =
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
5. 5.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.396 + 693 =
7. 7.Do the 1089 trick with 330: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Take 277. 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 6. What is that number?
10. 10.Do the 1089 trick with 805: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 129. 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 3. What is that number?
14. 14.Do the 1089 trick with 982: 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 8. What is that number?
16. 16.Do the 1089 trick with 800: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Do the 1089 trick with 325: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.297 + 792 =
19. 19.495 + 594 =
20. 20.Take 901. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 543: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Do the 1089 trick with 701: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
24. 24.Do the 1089 trick with 451: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 572. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 360. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 277: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 409: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 420: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 663. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 163: 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 2. What is that number?
35. 35.Do the 1089 trick with 539: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.792 + 297 =
37. 37.Do the 1089 trick with 193: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.891 + 198 =
39. 39.Take 761. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 149: 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