1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 610 · 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. 1.297 + 792 =
2. 2.Take 982. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.Do the 1089 trick with 644: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.495 + 594 =
5. 5.198 + 891 =
6. 6.Do the 1089 trick with 426: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.Take 863. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.891 + 198 =
9. 9.Do the 1089 trick with 704: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.396 + 693 =
11. 11.Do the 1089 trick with 703: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Do the 1089 trick with 682: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 499. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
15. 15.Do the 1089 trick with 582: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 794: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
19. 19.693 + 396 =
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
21. 21.792 + 297 =
22. 22.Do the 1089 trick with 830: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 450. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.594 + 495 =
25. 25.Do the 1089 trick with 421: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 624. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Do the 1089 trick with 395: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 287. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
30. 30.Take 216. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 831: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 689. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 490: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
35. 35.Take 581. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
37. 37.Do the 1089 trick with 740: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 940. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 723: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 591. 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