1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 494 · 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 156. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.693 + 396 =
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
5. 5.495 + 594 =
6. 6.Take 751. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Do the 1089 trick with 340: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Do the 1089 trick with 825: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Do the 1089 trick with 870: 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 7. What is that number?
11. 11.Take 115. 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 6. What is that number?
13. 13.Do the 1089 trick with 540: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Do the 1089 trick with 794: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Do the 1089 trick with 973: 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 1. What is that number?
17. 17.Do the 1089 trick with 971: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Do the 1089 trick with 742: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.792 + 297 =
20. 20.Take 881. 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 8. What is that number?
22. 22.Do the 1089 trick with 678: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.297 + 792 =
24. 24.198 + 891 =
25. 25.Take 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 367. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 380: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 502: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 822. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Do the 1089 trick with 327: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 933. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
35. 35.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 832. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 290. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.594 + 495 =
39. 39.Do the 1089 trick with 846: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 701. 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