# ALEX Classroom Resource

## Scytale Messages

Classroom Resource Information

Title:

Scytale Messages

URL:

https://aptv.pbslearningmedia.org/resource/arct14.math.zscytale/scytale-messages/

Content Source:

PBS
Type: Learning Activity

Overview:

Make a coded message called a scytale message to send to a friend. This activity from Zoom focuses on your ability to follow directions and requires a cylinder. This learning activity can be used during a lesson on encryption.

Content Standard(s):
 Digital Literacy and Computer Science DLIT (2018) Grade: 3 1) Use numbers or letters to represent information in another form. Examples: Secret codes/encryption, Roman numerals, or abbreviations. Unpacked Content Evidence Of Student Attainment:Students will: use numbers and letters to represent information in another form.Teacher Vocabulary:encryption secret codesKnowledge:Students know: techniques for understanding how to representing information in another way using numbers or letters.Skills:Students are able to: use letters or numbers to represent information in another form. use a secret code to determine information represented in letters and/or numbers.Understanding:Students understand that: numbers and/or letters can represent information in another way. Digital Literacy and Computer Science DLIT (2018) Grade: 5 1) Construct a complex system of numbers or letters to represent information. Example: Student-created complex secret codes using more than one form to solve a problem or answer a question. Unpacked Content Evidence Of Student Attainment:Students will: construct a complex system of numbers or letters to represent information.Teacher Vocabulary:code cipherKnowledge:Students know: computer use a complex system of numbers or letters to represent and transmit information. they can create a code or a complex system of numbers or letters to represent information.Skills:Students are able to: construct a complex system of numbers or letters to represent information.Understanding:Students understand that: there are an infinte amount of combinations for a complex system of numbers or letters to represent information. computers use a complex system of numbers or letters to represent information. Digital Literacy and Computer Science DLIT (2018) Grade: 8 22) Encrypt and decrypt various data. Example: Create and decipher a message sent in a secret code. Unpacked Content Evidence Of Student Attainment:Students will: encrypt data to include text or files. decrypt data to include text or files.Teacher Vocabulary:encrypt decryptKnowledge:Students know: cyphers can be used to encrypt and then decrypt a message. that computers use complicated cyphers to keep data safe when being transmitted electronically.Skills:Students are able to: either physically or digitally encrypt and decrypt data.Understanding:Students understand that: some data needs to be protected as it is transmitted digitally.
Tags: decrypt, encryption, secret code