1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 948 · 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. 1.594 + 495 =
2. 2.Take 357. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 487. 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 5. What is that number?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
6. 6.198 + 891 =
7. 7.Take 830. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Take 167. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 158. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Do the 1089 trick with 240: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.396 + 693 =
13. 13.693 + 396 =
14. 14.792 + 297 =
15. 15.297 + 792 =
16. 16.Take 300. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.891 + 198 =
18. 18.Do the 1089 trick with 480: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 216: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 369. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 850: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.495 + 594 =
24. 24.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
25. 25.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 578. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 422. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 723: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 910: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 835: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 950: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 436: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 935: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 903. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 880: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Do the 1089 trick with 339: 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 8. What is that number?
39. 39.Take 705. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?

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