1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 421 · 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
3. 3.495 + 594 =
4. 4.396 + 693 =
5. 5.Take 189. 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 1. What is that number?
7. 7.Do the 1089 trick with 751: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.297 + 792 =
9. 9.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
10. 10.Take 529. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.693 + 396 =
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
13. 13.Do the 1089 trick with 710: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.792 + 297 =
15. 15.Do the 1089 trick with 950: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Take 824. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 910: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Take 119. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 892: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 806: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 218: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 750. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 390. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 129: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 280. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 704. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 663. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
29. 29.Take 330. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.891 + 198 =
31. 31.Do the 1089 trick with 902: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 620. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 920: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 992: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 810. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Do the 1089 trick with 825: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Do the 1089 trick with 420: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 358: 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.Take 285. 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