1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 223 · 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 925: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Do the 1089 trick with 991: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Do the 1089 trick with 148: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Do the 1089 trick with 155: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
6. 6.Do the 1089 trick with 562: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
9. 9.891 + 198 =
10. 10.Do the 1089 trick with 218: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.297 + 792 =
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
13. 13.Take 640. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Do the 1089 trick with 348: 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 3. What is that number?
16. 16.Take 906. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 610: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
19. 19.Do the 1089 trick with 761: 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 8. What is that number?
21. 21.Take 209. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 208: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Do the 1089 trick with 217: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Do the 1089 trick with 894: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.693 + 396 =
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
27. 27.Do the 1089 trick with 619: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 916. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 977. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.495 + 594 =
31. 31.Take 119. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 452. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 730: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.594 + 495 =
36. 36.Take 457. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.198 + 891 =
38. 38.Take 520. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 865. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 981: 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