1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 846 · 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 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Take 602. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 640. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
5. 5.Take 126. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Do the 1089 trick with 896: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
10. 10.396 + 693 =
11. 11.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Do the 1089 trick with 412: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 539. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Do the 1089 trick with 491: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Take 189. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 348. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 972: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.198 + 891 =
19. 19.495 + 594 =
20. 20.Do the 1089 trick with 426: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Take 540. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.594 + 495 =
23. 23.Take 745. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.792 + 297 =
25. 25.Take 772. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 330. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Do the 1089 trick with 480: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 357: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 478. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
31. 31.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 402. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 228. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 681. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 971. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 229. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 427: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 743: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 912: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.297 + 792 =

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