Computer Science Unplugged
Kid Krypto–Public-Key Encryption
Class members have an opportunity to experience how to use a public key to encrypt information and a private key to decrypt it. Groups create their own public key and encrypt information then develop private keys to decrypt this...
Curated OER
Krypto Math Game
Students play a math game. In this number sense and mental math lesson, students play a game where they use mental math to form equations that result in the target number required to win the game.
Curated OER
Krypto
In this mathematical expressions worksheet, students solve 6 different problems that include deciphering various sets of numbers. First, they use any known mathematical operation or symbol in each to create the number 15. Then, students...
Computer Science Unplugged
Tourist Town—Dominating Sets
As an introduction to using a network to determine the fewest number of nodes that meet a given condition, small groups work together to determine the fewest number of ice cream vans, and their locations, to be able to serve the people...
Curated OER
Math Vocabulary
Fourth graders participate in a creative way to learn and remember important math vocabulary. This lesson incorporates music to help students remember the meaning of each math operation and the vocabulary associated with it. A very...