1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 487 · 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 7. What is that number?
2. 2.Do the 1089 trick with 356: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Do the 1089 trick with 621: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.297 + 792 =
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
6. 6.Take 639. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 560. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
9. 9.198 + 891 =
10. 10.Take 326. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 753. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Do the 1089 trick with 826: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.594 + 495 =
15. 15.Take 320. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 763: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.396 + 693 =
18. 18.Take 355. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Take 983. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Take 492. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 235: 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 6. What is that number?
24. 24.Take 668. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 678: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.891 + 198 =
27. 27.Take 961. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 799. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.495 + 594 =
30. 30.Take 280. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 226: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Do the 1089 trick with 821: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
35. 35.Take 129. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
37. 37.Take 670. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 822. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 149. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 993. 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