Make similar questions and ask your friends to guess the numbers.
Example questions:
(1) I am a 4-digit number using only digits 1 and 8. My mirror image is the same. I am greater than 8000. Who am I? Answer: 8118 or 8888.
(2) I am a 3-digit number. My first and last digits are the same. My middle digit is 8. My mirror image is the same. Who am I? Answer: 181, 080, or 888.
Explanation
This creative activity encourages students to formulate their own mirror-symmetry number puzzles. Students should create clues about digit composition, position, and numerical value while ensuring the number has mirror symmetry.
Solution Steps
Question (1): I am a 4-digit number using only digits 1 and 8. My mirror image is the same. I am greater than 8000.
Answer (1): 8118 or 8888.
Question (2): I am a 3-digit number. My first and last digits are the same. My middle digit is 8. My mirror image is the same.
Answer (2): 181, 080, or 888.