Curated OER
Clock Arithmetic and Cryptography
Learners perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Learners apply their multiplication, division, addition, and subtraction skills.
Curated OER
Cracking the Code
Students explore encoding systems and decoding technology. In this barcoding lesson students examine how coding impacts society including distribution, and inventory.
Curated OER
Let's Write Around the World
Students participate in an ongoing writing project about the seven world continents. In this continents writing lesson, students work on an interactive game to write about the seven continents. Students locate the continents on the map....
Curated OER
All Systems Go!
Secret codes are so much fun, and a great way to practice nearly any math skill. Let your class become code breakers as they investigate inverse matrices. They use TI-Nspire technology to solve systems of equations which help them crack...
Curated OER
Secret Writing Devices
Elementary and middle schoolers explore the world of secret writing, otherwise known as cryptography. After an interesting introduction to the activity, learners utilize a decoder badge which uses the St. Cyr cipher - which is a cipher...
Institute of Electrical and Electronics Engineers
Cracking the Code
Some interesting reading on the history of barcodes opens this technology lesson plan. Readers find out how engineers contribute, and then they gather into groups to discuss possible improvements to our current UPC barcode system. Know...
EngageNY
Using Matrix Operations for Encryption
Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...
Code.org
Sending Numbers
Binary graphing ... bit by bit. Pairs work together to develop a protocol in order to send the points of a graph. One partner sends the points and the other receives them and tries to recreate the graph. The pupils use the rubric to...
Curated OER
Teaching Language Arts with Sayings and Phrases
Students complete a unit to learn sayings and phrases that help them understand language art concepts. In this sayings and phrases lesson, students complete 11 lessons that use common sayings and phrases to teach language art concepts...
Curated OER
Homophones
Students draw a sketch of each homophone and write sentences with homophones in them. In this homophones lesson plan, students also match homophones in a picture form.
Curated OER
Detective Digis and the Computer Caper
Mathematicians participate in an hands-on activity to investigate the binary number system and write messages in binary code and have classmates decipher the messages. A said video on the topic does not seem to be available, but the...
Curated OER
Matrices: A Secret Weapon
Students perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
Curated OER
Communication
Young scholars practice how to be a good listener. They take a pre-test and then discuss their results. They also practice "I" messages in which they state how someone else's behavior is affecting them.
Curated OER
Cryptography Implementation
Students explore cryptology. They write a research paper on cryptography. Using linear equations, students invent a code and write a secret message. Students complete cryptography puzzles.
Curated OER
SHHH It's a Secret
Students rewrite word problems using expressions and equations. In this algebra instructional activity, students use the correct variable to solve and write equations. They use the TI to graph their solution.
Curated OER
Critter? Growth
Students identify and use the elements of the scientific inquiry to solve problems. They explain concepts about the structure and properties of matter. Pupils write an explanation of polymers and how the characteristic of polymers...
Curated OER
Basic Crypto Systems
Students try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.