Smithsonian Institution
What's the Code? Coding Robot Movements Using Sound
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...
Peter Bunzl
Cogheart and Moonlocket
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,...
Institute of Electrical and Electronics Engineers
Public Keys, One Way Functions and Hard Problems
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...
Code.org
Keys and Passwords
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...
Code.org
Public Key Cryptography
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...
Code.org
Asymmetric Keys – Cups and Beans
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...
Code.org
The Need for Encryption
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.
Code.org
Cracking the Code
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.
Bowland
German or English?
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.
Choose My Plate
MyPlate Word Scramble
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.
Curated OER
Uncovering Underground Veggies
Add a word puzzle to your underground vegetable lesson plan. Learners unscramble vegetable names and discover a hidden message using corresponding numbers and letters.
Doing Maths
Converting Metric Measurements Code-Breaker
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...
Curated OER
Cartouche Codes
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...
Curated OER
Secret Country Code Breaker
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...
Curated OER
Bible-based Easter Season Packet
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...
Curated OER
Secret Code Spotlight
In 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.
Curated OER
Secret Code
In this multiplication worksheet, learners complete multiplication problems containing numbers 1 through 12 and create a secret code at the end. Students complete 21 problems.
Curated OER
Secret Code
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.
Curated OER
Harry Potter Characters in Secret Code
In this Harry Potter characters activity, 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.
Curated OER
Noughts and Crosses Code
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.
Curated OER
Multiplying Decimals
In 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.
Curated OER
Squigly's Secret Code
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.
Curated OER
Secret Code from Squigley-- A Man's Unexpected Gift
In 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 red...
Curated OER
Squigly's Special Message (Halloween Theme)
For this word puzzle worksheet, students 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.