01000011 01101111 01100100 01100101 01110011 00100000 01100001 01110010 01100101 00100000 01000011 01101111 01101111 01101100 00100001

in English, Codes are Cool!

Do you have your own secret code that you use with your friends?  Do you like writing notes to people?  Do you like to write in a diary?  Do you like solving puzzles and finding patterns?  If you answered yes to any of these questions, you might want to check out this math mini spark.

Spark your math thinking!

1. Set up your math mini spark recording page: #73: Codes Are Cool

2. Go to https://www.rapidtables.com/convert/number/ascii-to-binary.html and type in a sentence in English.  Then tap the convert button to translate your message to binary. Add the sentence and the bianry code this to your recording page.

3. Learn about the Pigpen cipher (also known as masonic cipher, Freemason’s cipher, Napoleon cipher, and tic-tac-toe cipher) by watching this video. Take notes on your recording sheet.

4. Write a message using what you learned.

5. Learn about the Caesar Cipher by watching this video

6. Create a message for someone else to figure out.  Be sure to include the shift number!

7.  Share your math mini spark recording page with your teacher/EY coordinator.

Check out this badge at the EY Website