1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 618 · 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.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
3. 3.Do the 1089 trick with 226: reverse and subtract, then reverse that answer and add. What do you get?
4. 4.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?
5. 5.Take 532. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Take 880. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Take 208. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.Take 871. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 943. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Take 371. Reverse its digits and take the smaller number away from the bigger one. What do you get?
11. 11.Do the 1089 trick with 440: reverse and subtract, then reverse that answer and add. What do you get?
12. 12.Take 326. Reverse its digits and take the smaller number away from the bigger one. What do you get?
13. 13.Take 509. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.594 + 495 =
15. 15.Take 624. Reverse its digits and take the smaller number away from the bigger one. What do you get?
16. 16.Take 177. Reverse its digits and take the smaller number away from the bigger one. What do you get?
17. 17.198 + 891 =
18. 18.Do the 1089 trick with 892: reverse and subtract, then reverse that answer and add. What do you get?
19. 19.891 + 198 =
20. 20.Take 402. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.297 + 792 =
22. 22.Do the 1089 trick with 890: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
24. 24.Take 236. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 970. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.495 + 594 =
27. 27.Do the 1089 trick with 800: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.792 + 297 =
29. 29.Do the 1089 trick with 823: reverse and subtract, then reverse that answer and add. What do you get?
30. 30.Do the 1089 trick with 770: reverse and subtract, then reverse that answer and add. What do you get?
31. 31.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
32. 32.Do the 1089 trick with 543: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 502. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 163: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 942. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.396 + 693 =
37. 37.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
38. 38.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
39. 39.Take 148. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 781. 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