1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 478 · 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 5. What is that number?
2. 2.693 + 396 =
3. 3.Take 702. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
7. 7.198 + 891 =
8. 8.297 + 792 =
9. 9.396 + 693 =
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
11. 11.Take 723. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
14. 14.Do the 1089 trick with 975: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.594 + 495 =
16. 16.Take 911. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
18. 18.Take 883. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 108: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 297: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Do the 1089 trick with 713: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Do the 1089 trick with 159: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Do the 1089 trick with 997: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Do the 1089 trick with 229: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 810: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.495 + 594 =
28. 28.Do the 1089 trick with 280: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 326. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 652. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 662. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 937: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Do the 1089 trick with 793: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.891 + 198 =
35. 35.Do the 1089 trick with 836: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 674: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 169. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 144. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 400. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 139. 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