1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 106 · 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. 1.891 + 198 =
2. 2.396 + 693 =
3. 3.Do the 1089 trick with 963: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 977: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Take 602. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
8. 8.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.693 + 396 =
10. 10.198 + 891 =
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
12. 12.Do the 1089 trick with 723: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
14. 14.Do the 1089 trick with 710: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Do the 1089 trick with 980: 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 2. What is that number?
17. 17.Take 784. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.297 + 792 =
19. 19.Take 960. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Take 901. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
22. 22.495 + 594 =
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
24. 24.Take 237. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 912. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Do the 1089 trick with 497: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 703: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 208: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 543. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 466: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 149. 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 4. What is that number?
34. 34.Take 501. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 981. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 366. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 530. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 188: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 389. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 730: 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