Activity
Computer Science Unplugged

The Peruvian Coin Flip–Cryptographic Protocols

For Teachers 4th - 12th
A digital flip. Introduce your classes to cryptographic protocols using and, or, and not gates. Groups create a complete circuit to convert a binary number into another one. This type of one-way function allows pupils to...
Activity
Computer Science Unplugged

The Chocolate Factory–Human Interface Design

For Teachers 4th - 12th
What is this? What is it for? How does it work? Challenge the class to think about to how to design a new chocolate factory for the Oompa-Loompas to make it easy to use. The activity is the first of a three-part series on...
Activity
Computer Science Unplugged

Conversations with Computers—The Turing Test

For Teachers 4th - 12th
Will the real computer please stand up? The premise of this activity is for the class to ask questions to a human and to a computer and to determine which is which. The class asks a given set of questions, and the person playing the role...
Activity
Computer Science Unplugged

The Intelligent Piece of Paper

For Teachers 3rd - 12th
How smart is that piece of paper? The activity introduces the idea of computer programming as a list of instructions written by computer programmers. Two individuals play a game of Tic-Tac-Toe in which one follows the commands...
Lesson Plan
Computer Science Unplugged

Colour by Numbers–Image Representation

For Teachers 2nd - 12th
How do computers store and send images? Here's an activity that explains one way a computer can compress image information. Pupils decode run-length coding to produce a black and white image. Pairs then work together to code and...
Activity
Computer Science Unplugged

Card Flip Magic—Error Detection and Correction

For Teachers 4th - 12th
I can find the error in an array of cards? After watching a demonstration class members search for the error is the provided cards. The resource provides a real-life example of using ISBN numbers in error detection and using check...
Activity
Computer Science Unplugged

Codes in a Song—Modems

For Teachers 2nd - 12th
Let's listen to some codes. To understand how a modem sends binary numbers over a phone line, class member listen to the codes included in the provided mp3 files, translates the tones to binary numbers and then convert the...
Activity
Computer Science Unplugged

The Orange Game–Routing and Deadlock in Networks

For Teachers 4th - 12th
How is data able to move in a congested network? Groups simulate moving data around a congested network by passing fruit around a circle, following specific rules, until everyone ends up with their own fruit. Extension activities...
Activity
Computer Science Unplugged

Tablets of Stone—Network Communication Protocols

For Teachers 4th - 12th
Show your learners that the game of Telephone isn't the only way messages get mixed up. Pairs transform into the sender and receiver of a message sent in packets. At least one pupil is the messenger who either delivers, delays, or...
Activity
Computer Science Unplugged

Divide and Conquer—Santa’s Dirty Socks

For Teachers 4th - 12th Standards
The story "Santa's Dirty Socks" provides learners an example of a search algorithm that uses a divide and conquer system similar to a binary search algorithm. The included questions expand upon the concepts that follow the story.
Activity
Computer Science Unplugged

The Poor Cartographer—Graph Coloring

For Teachers 2nd - 12th
Color the town red. Demonstrate the concept of graph theory with a task that involves determining the least number of colors needed to color a map so that neighboring countries are not represented by the same color. Pupils...
Activity
Computer Science Unplugged

Tourist Town—Dominating Sets

For Teachers 2nd - 8th
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...
Activity
Computer Science Unplugged

Ice Roads–Steiner Trees

For Teachers 4th - 12th
As an introduction to Steiner Trees, class members are challenged to find the shortest paths to connect multiple points. The teacher introduces the problem by showing how to connect three points. Groups then go outside and construct a...
Activity
Computer Science Unplugged

Treasure Hunt—Finite-State Automata

For Teachers 4th - 12th
Introduce your class to the concept of finite-state automata with an activity that asks individuals to try to map their way to Treasure Island by taking different routes though an island chain. Each island has two ship sailing...
Activity
Computer Science Unplugged

Marching Orders—Programming Languages

For Teachers 4th - 8th
Computers need precise directions to complete a task. Class members experience what it is like to program a computer with an activity that asks one pupil to describe an image while classmates follow the directions to duplicate the picture.
Lesson Plan
Computer Science Unplugged

Count the Dots – Binary Numbers

For Teachers 4th - 12th
Did you know you can send a message using only zeroes and ones? This interactive resource presents an introduction to binary numbers. Through code cards, pupils learn to convert binary numbers to decimal numbers.
Lesson Plan
Jason Learning

Tech in the Cycle

For Students 9th - 12th Standards
It might not be easy, but it is worth recycling electronics. Small groups determine the percentage of the materials that make up an iPad 2 and display the information in a circle graph. They then research the recycling process for...
Worksheet
Internet Archive

Introduction to Latin Language

For Students 7th - 12th
Begin teaching your learners—and yourself—some basics about the Latin language with the inquiries available in this resource. Although the questions are linked to a textbook of unknown origin, they offer a good beginning on where to...
Worksheet
Curated OER

Latin: Perfect Passive System

For Students 9th - 10th
Let's look at perfect passive verbs in Latin. Print this sheet to give your class an opportunity to conjugate verb forms and translate simple sentences using perfect passive verbs. Answers are not included. 
Worksheet
Curated OER

Scanning Worksheet: Latin

For Students 8th - 9th
Introduce your Latin class to meter and the metrical pattern of an elegiac couplet. Have your learners practice identifying the syllables open to resolution in the two exercises provided. Answers are not included, but there is a helpful...
Lesson Plan
Curated OER

Measure Up!

For Teachers K - 4th
Discover ways to measure items without standard tools. In this measurements lesson, learners estimate how long certain objects are by measuring with a non-standard measuring tool. Students check their estimates with a ruler and share...
Worksheet
Curated OER

In The Shadow of the Pines: Sugar Cane Time

For Students 7th - 8th
This resource provides a short reading passage, an excerpt from In The Shadow of the Pines by Karen K. Newell, about a family and their sugar cane harvest during the Great Depression. After the reading, there are four multiple choice...
Activity
Computer Science Unplugged

Sharing Secrets—Information Hiding Protocols

For Teachers 4th - 12th
Did you know that you can find the average age of a group of people without anyone having to real their age? This resource provides directions for way to do just that. After the activity, class members read a short passage...
Activity
Computer Science Unplugged

Drawing Lines with Pixels

For Teachers 4th - 12th Standards
How do the computers keep it straight? Using the provided algorithms, class members draw a line and a circle using pixels. They then check the drawings using a straight edge and compass to determine the accuracy of their...

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