1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 826 · 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 590: reverse and subtract, then reverse that answer and add. 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.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.297 + 792 =
6. 6.891 + 198 =
7. 7.Do the 1089 trick with 270: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Do the 1089 trick with 129: 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 3. What is that number?
10. 10.792 + 297 =
11. 11.396 + 693 =
12. 12.Do the 1089 trick with 750: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Do the 1089 trick with 679: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 316. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Do the 1089 trick with 850: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.594 + 495 =
17. 17.Take 755. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 833: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 311: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.198 + 891 =
21. 21.Take 440. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
23. 23.Take 439. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 570: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
26. 26.Take 590. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
28. 28.Do the 1089 trick with 912: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 952. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 800. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 971. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 964. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 922: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 826. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 805: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
39. 39.495 + 594 =
40. 40.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?

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