1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 459 · 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. 1.594 + 495 =
2. 2.198 + 891 =
3. 3.Do the 1089 trick with 256: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.396 + 693 =
5. 5.Take 942. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Do the 1089 trick with 983: 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 3. What is that number?
8. 8.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Take 300. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
11. 11.Take 721. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
13. 13.Do the 1089 trick with 970: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Take 376. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 254. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 602: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Take 136. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 831: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 378: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.495 + 594 =
22. 22.Take 620. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Do the 1089 trick with 321: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.297 + 792 =
25. 25.Take 523. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 945. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 220. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 462. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 138. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
31. 31.Do the 1089 trick with 226: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
34. 34.Take 378. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Take 964. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.792 + 297 =
37. 37.Do the 1089 trick with 360: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 510: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
40. 40.Take 659. 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