1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 963 · 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 295: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Do the 1089 trick with 390: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Do the 1089 trick with 582: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
5. 5.396 + 693 =
6. 6.198 + 891 =
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
8. 8.297 + 792 =
9. 9.Take 510. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
11. 11.495 + 594 =
12. 12.Take 963. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 440. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.594 + 495 =
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
16. 16.Take 359. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Take 811. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 220. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 701: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 821. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 920: 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 1. What is that number?
23. 23.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 508: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Do the 1089 trick with 307: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Do the 1089 trick with 715: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Do the 1089 trick with 997: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 115. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 917. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 763: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.792 + 297 =
32. 32.Do the 1089 trick with 550: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 670. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 990: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.891 + 198 =
36. 36.Take 375. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 250. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 570: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?

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