1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 703 · 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 870: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
3. 3.Take 715. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.495 + 594 =
5. 5.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Take 426. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 710. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Do the 1089 trick with 548: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Do the 1089 trick with 855: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.Do the 1089 trick with 671: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
12. 12.Take 591. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Do the 1089 trick with 735: reverse and subtract, then reverse that answer and add. 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.Take 310. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 965: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.792 + 297 =
18. 18.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.891 + 198 =
20. 20.Take 856. 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 2. What is that number?
22. 22.Take 492. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 289. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 971: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Do the 1089 trick with 345: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 750. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
28. 28.Take 760. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 296. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Take 177. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.693 + 396 =
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
34. 34.Do the 1089 trick with 881: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 783. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.594 + 495 =
37. 37.297 + 792 =
38. 38.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
39. 39.Take 109. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.396 + 693 =

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