1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 784 · 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 710. Reverse its digits and take the smaller number away from the bigger one. What do you get?
2. 2.In the 1089 trick, the subtraction gave a 3-digit number that starts with 7. What is that number?
3. 3.693 + 396 =
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
5. 5.Take 612. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.Take 912. Reverse its digits and take the smaller number away from the bigger one. What do you get?
7. 7.Do the 1089 trick with 299: reverse and subtract, then reverse that answer and add. What do you get?
8. 8.Take 390. Reverse its digits and take the smaller number away from the bigger one. What do you get?
9. 9.Take 670. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.Do the 1089 trick with 481: reverse and subtract, then reverse that answer and add. What do you get?
11. 11.Take 750. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Do the 1089 trick with 300: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 641. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.297 + 792 =
15. 15.891 + 198 =
16. 16.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
17. 17.Take 990. Reverse its digits and take the smaller number away from the bigger one. What do you get?
18. 18.Take 972. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.Do the 1089 trick with 810: 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 5. What is that number?
21. 21.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
22. 22.Take 892. Reverse its digits and take the smaller number away from the bigger one. What do you get?
23. 23.Take 761. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.198 + 891 =
25. 25.Take 711. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 890. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Do the 1089 trick with 410: reverse and subtract, then reverse that answer and add. What do you get?
28. 28.Take 810. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.495 + 594 =
30. 30.Take 400. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.594 + 495 =
32. 32.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
33. 33.Take 210. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Take 540. Reverse its digits and take the smaller number away from the bigger one. What do you get?
35. 35.Do the 1089 trick with 880: reverse and subtract, then reverse that answer and add. What do you get?
36. 36.Take 143. Reverse its digits and take the smaller number away from the bigger one. What do you get?
37. 37.Do the 1089 trick with 740: reverse and subtract, then reverse that answer and add. What do you get?
38. 38.Do the 1089 trick with 994: reverse and subtract, then reverse that answer and add. What do you get?
39. 39.792 + 297 =
40. 40.Take 744. 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