+
Activity
Smithsonian Institution

What's the Code? Coding Robot Movements Using Sound

For Teachers 4th - 8th
Tap into the desire to learn about computer codes. Pupils apply the Tap Code and the Polybius Square to send secret codes using sound. They design a code that tells a robot what movements to make and then test out their code using one of...
+
Activity
Peter Bunzl

Cogheart and Moonlocket

For Students 6th - 10th Standards
Peter Bunzi takes readers to the Victorian era with two stories, Coghaert and Moonlocket. Accompany the literary time warp with a companion packet that offers a plethora of exercises. Learning opportunities include activities for before,...
+
Lesson Plan
Institute of Electrical and Electronics Engineers

Public Keys, One Way Functions and Hard Problems

For Students 6th - 9th Standards
Use paint to teach about cryptography. Scholars explore public key cryptography by attempting to mix a secret color using paint. After the activity, they investigate the Diffie-Hellman method using prime numbers, exponents, and modular...
+
Lesson Plan
Code.org

Keys and Passwords

For Teachers 9th - 12th
Scholars explore the relationship between cipher keys and passwords and as they learn more about the Vigenere cipher and continue to read from the book Blown to Bits in the seventh lesson of the series. They conduct an activity where...
+
Lesson Plan
Code.org

Public Key Cryptography

For Students 9th - 12th
Investigate how public key cryptography works. Scholars continue their study of one-way functions and asymmetric keys and apply this information to public key cryptography. They use an app to explore public key cryptography and its...
+
Lesson Plan
Code.org

Asymmetric Keys – Cups and Beans

For Teachers 9th - 12th
Beans are for more than just counting! Introduce public key cryptography with cups and beans and ask scholars to use the beans to send secret numbers. Participants learn how this activity relates to public key cryptography and asymmetric...
+
Lesson Plan
Code.org

The Need for Encryption

For Students 9th - 12th
Scholars investigate the need for encryption as they read a portion of the book Blown to Bits and discuss encryption techniques. They finish by attempting to decode a message written using a Caesar cipher.
+
Lesson Plan
Code.org

Cracking the Code

For Teachers 9th - 12th
Scholars learn how to crack secret codes as they continue reading from the Blown to Bits and try to crack the random substitution cipher. They also begin learning about the Vigenere cipher. 
+
Assessment
Bowland

German or English?

For Teachers 6th - 8th
Sprechen sie Deutsch? Future cryptographers must decide whether an unknown text is written in English or in German. They use provided pie charts about the frequency of words in the English and German languages to help make their decisions.
+
Worksheet
Choose My Plate

MyPlate Word Scramble

For Students 2nd - 4th
Discover a variety of ways to eat and cook whole grains with a word scramble and secret code worksheet. Class members uncover seven whole grain options before using a number system to decode a secret message. 
+
Worksheet
Curated OER

Uncovering Underground Veggies

For Teachers 2nd - 4th
Add a word puzzle to your underground vegetable lesson plan. Learners unscramble vegetable names and discover a hidden message using corresponding numbers and letters.    
+
Worksheet
Doing Maths

Converting Metric Measurements Code-Breaker

For Students 3rd - 6th Standards
Can your scholars crack the code of this metric worksheet? To start, mathematicians must convert different units of measurement to the standard metric system form. Then, pupils plug in the corresponding letter to the correct answer to...
+
Lesson Plan
Curated OER

Cartouche Codes

For Teachers 4th - 6th
Students explore ancient Egyptian hieroglyphics and cartouches. Then they develop their own written code to represent their names. Students also sculpt and use their code to create their own cartouche. Finally, they research the symbols...
+
PPT
Curated OER

Secret Country Code Breaker

For Teachers 4th - 6th
Super cool and totally fun math awaits your class. They are the code breakers, and their job is to identify and locate the secret agent by breaking two different codes. They use all their skills to solve a series of double-digit addition...
+
Lesson Plan
Curated OER

Bible-based Easter Season Packet

For Teachers 1st - 4th
Several activities supplement the study of Bible verses that tell the story of Easter week (Luke 19:28-40 and Psalm 118:27-28a). Young religious scholars apply what they learn from listening to the reading to a crossword puzzle, word...
+
Worksheet
Curated OER

Secret Code Spotlight

For Students 4th - 5th
For this secret math code worksheet, students solve 14 equations and apply the color value for each line according to the key. Students write the final total and the secret coded letter from another key. Students read the message.
+
Worksheet
Curated OER

Secret Code

For Students 3rd - 6th
For this multiplication worksheet, students complete multiplication problems containing numbers 1 through 12 and create a secret code at the end. Students complete 21 problems.
+
Worksheet
Curated OER

Secret Code

For Students 4th - 6th
In this division worksheet, students divide one and two digit numbers and come up with a secret code at the end. Students complete 11 division problems.
+
Worksheet
Curated OER

Harry Potter Characters in Secret Code

For Students 4th - 5th
In this Harry Potter characters worksheet, students decipher a code that will name 15 character names from the Harry Potter books. There is a key at the top of the page as well as a word bank to assist students.
+
Worksheet
Curated OER

Noughts and Crosses Code

For Students 2nd - 4th
In this secret code worksheet, students analyze and interpret a noughts and crosses code in order to decipher the code and figure out what the message is.
+
Worksheet
Curated OER

Multiplying Decimals

For Students 4th - 5th
For this mathematics worksheet, students find the answer to each problem by multiplying the decimals properly. Then they decipher the secret code using the letters and punctuation next to each answer.
+
Worksheet
Curated OER

Squigly's Secret Code

For Students 4th - 6th
In this secret code worksheet, students decipher the answer to Squigly's secret code by printing the letter on the line given that goes with each symbol.
+
Worksheet
Curated OER

Secret Code from Squigley-- A Man's Unexpected Gift

For Students 4th - 5th
For this language arts worksheet, students analyze the key to a secret code which has all the alphabet letters and a symbol underneath. Students solve the secret code. There is a graphic of a man holding up a pair of boxer shorts with...
+
Worksheet
Curated OER

Squigly's Special Message (Halloween Theme)

For Students 4th - 5th
For this word puzzle worksheet, learners read 30 clues and place the answers in a puzzle grid. A secret message will be revealed when students have finished. There is a trick-or-treating graphic on the page.