1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 879 · 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 880. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.198 + 891 =
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
5. 5.Take 624. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.594 + 495 =
7. 7.Do the 1089 trick with 267: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Do the 1089 trick with 671: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.297 + 792 =
10. 10.Do the 1089 trick with 861: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Do the 1089 trick with 215: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 670. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 871. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
15. 15.Take 519. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.396 + 693 =
17. 17.Take 540. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 560. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 799: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 943: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
22. 22.495 + 594 =
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
24. 24.Take 883. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 240. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 955: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 780. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 432: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 881. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 200. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.891 + 198 =
33. 33.Take 976. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 250. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 901: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 712. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 750: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
39. 39.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Do the 1089 trick with 269: 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