1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 321 · 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 970. 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 1. What is that number?
3. 3.495 + 594 =
4. 4.792 + 297 =
5. 5.Do the 1089 trick with 488: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.198 + 891 =
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
9. 9.Do the 1089 trick with 390: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
11. 11.396 + 693 =
12. 12.297 + 792 =
13. 13.Do the 1089 trick with 882: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Do the 1089 trick with 381: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Do the 1089 trick with 811: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
18. 18.Do the 1089 trick with 987: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Do the 1089 trick with 510: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 884: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Do the 1089 trick with 980: 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 970: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 951. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.693 + 396 =
27. 27.891 + 198 =
28. 28.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.594 + 495 =
30. 30.Do the 1089 trick with 540: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 419: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 326. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
34. 34.Do the 1089 trick with 339: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Do the 1089 trick with 264: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 760. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 559. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 693. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 729: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 542. 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