1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 883 · 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 950: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Do the 1089 trick with 794: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.Do the 1089 trick with 583: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Do the 1089 trick with 714: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Take 165. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.396 + 693 =
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
8. 8.Do the 1089 trick with 290: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
10. 10.297 + 792 =
11. 11.Do the 1089 trick with 420: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 215. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 941. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.594 + 495 =
15. 15.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
17. 17.Take 704. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.693 + 396 =
19. 19.Do the 1089 trick with 321: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Take 560. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
22. 22.Take 179. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Do the 1089 trick with 901: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
26. 26.792 + 297 =
27. 27.495 + 594 =
28. 28.Take 275. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 770. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Do the 1089 trick with 900: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
32. 32.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 620. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.198 + 891 =
35. 35.Do the 1089 trick with 175: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
37. 37.Do the 1089 trick with 320: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 189. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 800: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 674: 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