1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 778 · 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 722. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.Take 529. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
4. 4.Take 421. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 259. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
7. 7.Do the 1089 trick with 810: 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 2. What is that number?
9. 9.198 + 891 =
10. 10.594 + 495 =
11. 11.Do the 1089 trick with 760: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.792 + 297 =
13. 13.Take 501. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Do the 1089 trick with 870: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Take 935. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 650: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.495 + 594 =
18. 18.Do the 1089 trick with 330: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 335. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.396 + 693 =
22. 22.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Do the 1089 trick with 410: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Take 179. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 449. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 601. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 416. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 426. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 305. 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 8. What is that number?
31. 31.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
34. 34.Do the 1089 trick with 411: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Do the 1089 trick with 784: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 296: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 446. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 365: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Take 249. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 734. 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