1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 773 · 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 674: 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 3. What is that number?
3. 3.Do the 1089 trick with 610: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Do the 1089 trick with 663: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.Do the 1089 trick with 820: reverse and subtract, then reverse that answer and add. What do you get?
6. 6.Do the 1089 trick with 520: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.396 + 693 =
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
9. 9.Take 236. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.297 + 792 =
11. 11.Take 612. 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. 13.198 + 891 =
14. 14.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
15. 15.Take 592. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.792 + 297 =
18. 18.Take 578. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 350: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
22. 22.Do the 1089 trick with 540: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 530. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 941: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 900. 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 6. What is that number?
27. 27.Do the 1089 trick with 921: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 770. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 350. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.594 + 495 =
31. 31.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.Take 543. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Take 563. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 850: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 228. 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 1. What is that number?
37. 37.Take 399. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 941. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 479: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?

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