1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 947 · 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. 1.792 + 297 =
2. 2.Do the 1089 trick with 973: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Do the 1089 trick with 265: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Take 408. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Take 930. 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 2. What is that number?
8. 8.Do the 1089 trick with 269: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.297 + 792 =
10. 10.495 + 594 =
11. 11.Take 892. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Take 530. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.594 + 495 =
14. 14.Take 226. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 360. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 630. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.693 + 396 =
18. 18.Take 952. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 320: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Do the 1089 trick with 155: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.396 + 693 =
25. 25.198 + 891 =
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
27. 27.Take 724. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 580. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 960. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 306. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 609: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Do the 1089 trick with 300: 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 1. What is that number?
34. 34.Take 678. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 196: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
37. 37.Do the 1089 trick with 351: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 992. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 488. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks