1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 886 · 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. 1.396 + 693 =
2. 2.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.198 + 891 =
4. 4.Take 143. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Do the 1089 trick with 673: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
7. 7.792 + 297 =
8. 8.Take 195. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 874. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Do the 1089 trick with 974: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Take 913. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.495 + 594 =
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
14. 14.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 186. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 551. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 510. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 743. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 917: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
21. 21.Take 930. 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
24. 24.Take 629. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 146. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.594 + 495 =
27. 27.Do the 1089 trick with 894: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 770: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 883: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 387. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 764: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
33. 33.Do the 1089 trick with 890: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 229: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
37. 37.891 + 198 =
38. 38.Take 258. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 923: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 782. 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