Curated OER
Squigly's Secret Code
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.
Curated OER
Squigly's Special Message (Halloween Theme)
In 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.
CK-12 Foundation
Telegraph
Most pupils don't know what a telegraph is, much less how one works. A secret simulation has scholars pick the size of the primary and secondary loops, the battery voltage, and which letters in the Morse Code they want to transmit. They...
Curated OER
Add 2-Digit Numbers in Different Ways
In this solving addition word problems activity, students use secret code cards and counters to problem solve. Students solve six problems.
Curated OER
Code Fun
In this letter code practice worksheet, students create a code letter or symbol for each letter of the alphabet and then write a message using the code they created.
Curated OER
John Glenn Secret Message
In this John Glenn worksheet, students reveal a secret message by decoding the symbols to spell out the secret message. Students utilize the alphabet key to decode the message.
Curated OER
A Secret Code
In this addition and subtraction worksheet, students solve for problems to complete the riddle about George Washington. Students solve 20 two digit problems of addition and subtraction with some regrouping necessary.
Curated OER
Secret Code
For this multiplication puzzle worksheet, students find the products to 18 elementary multiplication problems. They solve the code using the letters assigned to each product. They read the secret message.
Curated OER
Secret Code Math
For this math worksheet, students solve the problems in the box grids with the operation of addition. The answers are used to create a secret code message.
Reed Novel Studies
The Invention of Hugo Cabret: Novel Study
If the walls could talk, you might hear Hugo from The Invention of Hugo Cabret. Hugo lives in the walls of a train stations in Paris. Scholars read and complete worksheet activities as they discover Hugo's secrets. They show their...
Curated OER
Crack the Secret Code-- Health Activity
In this health worksheet, students learn about proper diet and exercise by reading the cartoons and deciphering a secret code about health.
Curated OER
Help the Ghost!
In this secret code worksheet, students help a ghost fill in the blanks of a secret code from an alphabet code list to figure out what time it is.
Computer Science Unplugged
You Can Say That Again! – Text Compression
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...
Curated OER
Short Vowel A: Secret Code
In this short vowels learning exercise, students use the secret code box to help them spell some short "Aa" words. Students then draw a picture of the word.
Curated OER
Coded Messages
Students solve matrices by multiplication. In this algebra lesson, students create coded messages and relate it to solving matrices. They multiply and find the inverse of matrices.
Curated OER
The Secret Society and FitzGerald's The Great Gatsby
High schoolers formulate what tensions about wealth and status are revealed in The Great Gatsby. Apply how these tensions are reflected in Nick Carraway's struggle to belong. Write a "credo" for the "secret society" implied in The Great...
Curated OER
Secrets and Spies
Students explore the lives of spies. In this secret government agencies lesson, students visit the Imperial War Museum and the Essex Secret Bunker online or in person to discover details about Britain's spies and secret bunker.
Curated OER
Mystery Code
In this fractions secret code worksheet, students solve 9 problems that require them to add and subtract using fractions. Students use their answers to decode a mystery message.
Reed Novel Studies
Journey To The Centre of The Earth: Novel Study
Traveling where no man has traveled before, Journey to the Centre of the Earth contains a secret code right to the middle of Earth! Scholars match 10 new vocabulary words, answer comprehension questions, create literary devices, and...
PBS
Hidden Messages in Spirituals
Slaves laboring in the cotton fields of the old South singing joyously may have convinced overseers that their workforce was happy and content, but in truth, these spirituals contained secret codes. After viewing a short video about...
CK-12 Foundation
Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions.
Curated OER
Mmm, Mmm ... Good!
Help primary young scholars learn the /m/ sound. As they listen as the teacher introduces the "Secret Code" of language they will practice the /m/ sound by rubbing their tummies as if eating something good. They also practice hearing and...
Curated OER
Cryptography and Cryptanalysis
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.
Balanced Assessment
MasterMind
Knowledge of statistics and probability can increase your advantage when playing games. The activity asks learners to analyze the game of MasterMind to determine the number of possible codes. They also examine different variations of the...
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