1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 16 · 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 893: reverse and subtract, then reverse that answer and add. What do you get?
2. 2.495 + 594 =
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
4. 4.Do the 1089 trick with 860: reverse and subtract, then reverse that answer and add. What do you get?
5. 5.297 + 792 =
6. 6.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
7. 7.Take 380. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Do the 1089 trick with 173: reverse and subtract, then reverse that answer and add. What do you get?
9. 9.Take 410. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Do the 1089 trick with 843: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Do the 1089 trick with 621: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
13. 13.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
14. 14.693 + 396 =
15. 15.Take 511. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Do the 1089 trick with 930: reverse and subtract, then reverse that answer and add. What do you get?
17. 17.Take 109. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 349. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.396 + 693 =
20. 20.Do the 1089 trick with 117: reverse and subtract, then reverse that answer and add. What do you get?
21. 21.Take 548. Reverse its digits and take the smaller number away from the bigger one. What do you get?
22. 22.Take 248. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 502. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Do the 1089 trick with 578: reverse and subtract, then reverse that answer and add. What do you get?
25. 25.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
26. 26.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
27. 27.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
28. 28.Take 230. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Do the 1089 trick with 331: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 915: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.Do the 1089 trick with 760: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.198 + 891 =
33. 33.Take 422. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
35. 35.Take 900. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.Take 456. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 921: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Take 196. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.792 + 297 =
40. 40.Take 705. 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