1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 763 · 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
2. 2.594 + 495 =
3. 3.693 + 396 =
4. 4.Do the 1089 trick with 569: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Take 802. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Take 754. 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 8. What is that number?
8. 8.Do the 1089 trick with 669: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.792 + 297 =
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
13. 13.297 + 792 =
14. 14.198 + 891 =
15. 15.Do the 1089 trick with 714: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
19. 19.Take 951. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.891 + 198 =
21. 21.Take 895. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 950: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Do the 1089 trick with 735: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Take 399. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 764. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 653. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 842. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 620. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 147: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 674. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 108: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Do the 1089 trick with 941: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Take 193. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 835. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.495 + 594 =
37. 37.Take 936. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 356. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 945: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 411. 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