1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 640 · 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.Do the 1089 trick with 903: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.693 + 396 =
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
5. 5.Take 380. 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 2. What is that number?
7. 7.Take 370. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Do the 1089 trick with 779: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Do the 1089 trick with 763: 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 6. What is that number?
11. 11.Do the 1089 trick with 832: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 310. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Do the 1089 trick with 427: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Do the 1089 trick with 159: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 682: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 960. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 285: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 278: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.495 + 594 =
21. 21.Do the 1089 trick with 412: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
23. 23.Do the 1089 trick with 290: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.891 + 198 =
25. 25.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
26. 26.Do the 1089 trick with 543: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 560. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 338. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Take 856. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.594 + 495 =
32. 32.Take 235. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
34. 34.Take 540. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 125: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 107. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 916. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 861. 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 1. What is that number?

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