1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 386 · 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.Take 926. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
3. 3.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Take 510. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.198 + 891 =
6. 6.Do the 1089 trick with 926: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
8. 8.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Do the 1089 trick with 521: reverse and subtract, then reverse that answer and add. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
11. 11.Do the 1089 trick with 298: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Do the 1089 trick with 916: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Do the 1089 trick with 679: 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 7. What is that number?
15. 15.594 + 495 =
16. 16.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 850: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.396 + 693 =
19. 19.Take 771. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.Do the 1089 trick with 921: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Do the 1089 trick with 129: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Take 427. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 700. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.495 + 594 =
25. 25.Do the 1089 trick with 338: reverse and subtract, then reverse that answer and add. What do you get?
26. 26.Take 176. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 660. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 977. 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 5. What is that number?
30. 30.Take 421. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 921. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 744. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.693 + 396 =
36. 36.Do the 1089 trick with 931: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 144. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
39. 39.891 + 198 =
40. 40.Do the 1089 trick with 893: 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