1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 456 · 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. 2.495 + 594 =
3. 3.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 920. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 935. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Do the 1089 trick with 301: reverse and subtract, then reverse that answer and add. What do you get?
7. 7.891 + 198 =
8. 8.792 + 297 =
9. 9.Do the 1089 trick with 950: 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 4. What is that number?
11. 11.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
12. 12.198 + 891 =
13. 13.Do the 1089 trick with 580: reverse and subtract, then reverse that answer and add. What do you get?
14. 14.Do the 1089 trick with 610: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Do the 1089 trick with 310: reverse and subtract, then reverse that answer and add. What do you get?
16. 16.Do the 1089 trick with 841: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
19. 19.Do the 1089 trick with 532: reverse and subtract, then reverse that answer and add. What do you get?
20. 20.Do the 1089 trick with 937: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
22. 22.Take 739. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 930. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 950. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 618. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Do the 1089 trick with 597: reverse and subtract, then reverse that answer and add. What do you get?
27. 27.Take 630. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 216. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 843: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.693 + 396 =
31. 31.Take 870. Reverse its digits and take the smaller number away from the bigger one. What do you get?
32. 32.297 + 792 =
33. 33.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
34. 34.Do the 1089 trick with 431: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Do the 1089 trick with 643: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Do the 1089 trick with 940: reverse and subtract, then reverse that answer and add. What do you get?
37. 37.Take 960. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 854. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Do the 1089 trick with 299: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Take 562. 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