1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 528 · 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 571. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.693 + 396 =
3. 3.Take 734. Reverse its digits and take the smaller number away from the bigger one. What do you get?
4. 4.Take 931. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.891 + 198 =
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
7. 7.594 + 495 =
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
9. 9.297 + 792 =
10. 10.Take 961. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Take 945. 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.Do the 1089 trick with 533: reverse and subtract, then reverse that answer and add. What do you get?
15. 15.Take 370. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 790. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.Do the 1089 trick with 317: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
19. 19.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
20. 20.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
21. 21.Take 820. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Do the 1089 trick with 623: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Do the 1089 trick with 740: reverse and subtract, then reverse that answer and add. What do you get?
24. 24.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.Take 642. 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 3. What is that number?
27. 27.Do the 1089 trick with 981: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Do the 1089 trick with 744: reverse and subtract, then reverse that answer and add. What do you get?
29. 29.Take 277. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 749. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.792 + 297 =
32. 32.Take 148. Reverse its digits and take the smaller number away from the bigger one. What do you get?
33. 33.Do the 1089 trick with 108: reverse and subtract, then reverse that answer and add. What do you get?
34. 34.Take 235. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.396 + 693 =
36. 36.Take 299. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
38. 38.Do the 1089 trick with 188: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.Do the 1089 trick with 850: reverse and subtract, then reverse that answer and add. What do you get?
40. 40.Do the 1089 trick with 258: 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