1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 820 · 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 715: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.Take 113. Reverse its digits and take the smaller number away from the bigger one. What do you get?
3. 3.693 + 396 =
4. 4.Do the 1089 trick with 690: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
7. 7.Do the 1089 trick with 482: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Do the 1089 trick with 893: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Take 781. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Do the 1089 trick with 761: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Do the 1089 trick with 349: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 952. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 107. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.Take 285. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
16. 16.Do the 1089 trick with 609: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 663. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Do the 1089 trick with 980: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.Do the 1089 trick with 701: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 238: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.495 + 594 =
22. 22.198 + 891 =
23. 23.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.792 + 297 =
25. 25.Take 822. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
27. 27.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Do the 1089 trick with 421: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Do the 1089 trick with 805: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.594 + 495 =
31. 31.Do the 1089 trick with 226: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 890: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Do the 1089 trick with 760: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.891 + 198 =
36. 36.Take 630. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Take 980. 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 6. What is that number?
39. 39.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
40. 40.Do the 1089 trick with 320: 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