Students solve addition and subtraction problems and decipher and write messages using a code. They read and discuss an informational fact sheet about the Navajo code talkers from World War II, and decode and re-code messages using math...

Students gain knowledge of the maritime importance of Morse code and enjoy applying this information to decipher Morse code messages from other students.

Fourth graders create a coded message in a quilt. In this art lesson students demonstrate the communication used by the Underground Railroad. Students work in a group to make a quilt with a code in it.

Scholars play a historical version of the telephone game when they analyze the dispatch from the Pearl Harbor attack. The quick activity uses primary sources to help academics analyze an historical event. Young historians also complete a...

Compression, the process computers use to store information, is the focus of a resource that presents two different stories that describe the concept of compression by eliminating repeated letters and replacing them with a...

Students examine a message sent from outer space and do their best to interpret its meaning. For this problem solving lesson, students investigate a code sent to them from "outer space." The students collaborate with their classmates to...

How does the garden grow? With inherited functions! The interactive activity has individuals alter a program to utilize object inheritance. Scholars develop an object type that two other objects use to inherit similar aspects. The...

The second lesson in a unit of 15 introduces pupils to text compression. The class begins with discussing how they already use text compression when sending text messages. Pairs learn more about the subject as they work to compress a...

Examine a coordinated geometry grid to decode the hidden message. Pupils write a coded message to their parents using letter coordinates from the grid.

Students explore the concept of code theory. In this code theory lesson plan, students discuss noise, error correction, Hamming distance, parity check matrices, and cyclic codes. Students develop these concepts through practice and...

Kids love a mystery! There are 11 sets of numbers, and each number translates to a certain letter. To find the word, learners have to record which letters are associated with which numbers. The theme is weather related vocabulary and...

In this Valentine's Day worksheet, students decipher a message by analyzing a given code. In the code, each letter of the alphabet is represented by a symbol.

In this communication worksheet, students read 2 telephone scenarios and then write a message they will leave on the 2 notepads provided.

Students read and analyze the book, Chasing Vermeer. They discuss the main story elements, analyze how pentominoes are important to the story, use a pentomino code to decipher a message, and create a secret code of their own.

In this early childhood cryptogram worksheet, students decode and solve a spring secret message by filling in the blanks with the letter that matches each picture from the box at the bottom of the page.

In this puzzle worksheet, students decipher a "secret" code. Students determine the message by filling in the letter that goes with each symbol.

In this subtraction color by code worksheet, students solve 8 problems and then color the flower segments by using the color code chart.

Seventh graders crack a code using binary numbers. In this technology lesson, 7th graders explain how binary codes can represent letters and numbers. They create their own code and exchange them with their classmates.

In this cryptography and cryptanalysis worksheet, 8th graders read the explanation and example for codes and ciphers, then answer 2 questions and decipher 2 messages.

In this DNA worksheet, students will compare the chemical differences between DNA and RNA. Students will review what makes up the genetic code and the steps of transcription from DNA to mRNA to proteins. This worksheet has 26 fill in the...

Don't let your brain play tricks on you! Learners test brain reaction rates while it is receiving multiple stimuli. They time each other reading a set of color words written in different colors and again when they are written in black....

In this addition code worksheet, students complete the addition problems and use the code to find the hidden message. Students complete 20 problems.

In this code fun activity worksheet, students decode a secret message using the symbol code key provided at the bottom of the worksheet.