1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 918 · 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. 1.198 + 891 =
2. 2.Take 589. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Take 854. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 370. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
6. 6.891 + 198 =
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
8. 8.693 + 396 =
9. 9.Do the 1089 trick with 331: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.Take 440. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Take 653. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Do the 1089 trick with 904: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 279. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
16. 16.Do the 1089 trick with 174: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 966. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 315: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 870: 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 7. What is that number?
21. 21.Take 269. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
23. 23.Take 875. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 410. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Do the 1089 trick with 234: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
27. 27.Do the 1089 trick with 219: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 224. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 814: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 633: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.594 + 495 =
32. 32.Take 600. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 154. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 123. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
36. 36.Do the 1089 trick with 720: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 634. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 274: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 830: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 350: 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