# ALEX Classroom Resource

## Code Breaking: Harley Gets a Hint

Classroom Resource Information

Title:

Code Breaking: Harley Gets a Hint

URL:

https://aptv.pbslearningmedia.org/resource/mwnet-math-nbt-gethint/harley-gets-a-hint/

Content Source:

PBS
Type: Audio/Video

Overview:

In this video, Harley moves in with Harry and makes Harry's life miserable. Harley spies on Harry writing in his diary. When Harley "borrows" the diary, he finds it is written in a code using numbers. Harley figures out a pattern with numbers and letters and decodes the page to find it is a message for Harley saying it is time to move out.

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: 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: 10, multiplying, number patterns