1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 237 · 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.Do the 1089 trick with 964: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
4. 4.792 + 297 =
5. 5.Do the 1089 trick with 230: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.594 + 495 =
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
8. 8.Do the 1089 trick with 703: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
10. 10.Do the 1089 trick with 826: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Take 743. 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 301: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Do the 1089 trick with 720: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.297 + 792 =
17. 17.891 + 198 =
18. 18.Take 971. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
20. 20.Take 268. 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.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 126. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 742: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.396 + 693 =
26. 26.Take 730. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 894. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.495 + 594 =
29. 29.Take 597. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 618: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.693 + 396 =
32. 32.Do the 1089 trick with 249: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 128. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 519: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 751. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 298: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 308: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 841. 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