1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 527 · 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 670. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.792 + 297 =
4. 4.Take 500. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
6. 6.Do the 1089 trick with 830: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Do the 1089 trick with 694: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Do the 1089 trick with 148: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Do the 1089 trick with 420: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.297 + 792 =
11. 11.Take 983. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.198 + 891 =
13. 13.Take 702. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Take 640. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
16. 16.594 + 495 =
17. 17.Take 964. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 649: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 200: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.891 + 198 =
21. 21.Take 208. 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 6. What is that number?
23. 23.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
25. 25.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
27. 27.Do the 1089 trick with 184: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 840: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 893. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 278. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.396 + 693 =
32. 32.Take 927. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 220: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.693 + 396 =
35. 35.Take 750. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 618. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.495 + 594 =
38. 38.Take 319. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 441. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 611: reverse and subtract, then reverse that answer and add. What do you get?

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