1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 523 · 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 238. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
3. 3.Take 137. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Do the 1089 trick with 249: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Do the 1089 trick with 972: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.396 + 693 =
7. 7.Do the 1089 trick with 106: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
9. 9.Do the 1089 trick with 401: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
12. 12.Take 369. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Do the 1089 trick with 764: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 310. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 389. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 660. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 992. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
19. 19.Take 790. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.297 + 792 =
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
22. 22.Take 116. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 980. 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 7. What is that number?
25. 25.Do the 1089 trick with 950: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 399: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 733. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.792 + 297 =
30. 30.891 + 198 =
31. 31.495 + 594 =
32. 32.Do the 1089 trick with 937: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Do the 1089 trick with 184: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.198 + 891 =
35. 35.Do the 1089 trick with 971: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 507. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 179. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 184. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 865: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 880. 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