Curated OER
Caesar Ciphers: An Introduction to Cryptography
Students encode and decode messages using a Caesar Cipher. In this encoding and decoding messages using a Caesar Cipher lesson, students discuss cryptography and how it is used. Students make a Caesar wheel to encode and decode...
Florida Center for Reading Research
Word Steps
Blending basic CVC letters to make words is one of the first steps to independent reading. Provided here are several images of stairs and several letters to cut and arrange. The learner rearranges the letters to form CVC patterns, sounds...
Meadows Center for Preventing Educational Risk, University of Texas at Austin
Lesson 15 - Soft G and Soft C
The names Cindy and Carrie start with the same letter, but have very different sounds. The 15th of 17 word recognition lessons focuses on the soft C sound found in Cindy and the soft G sound found in Gene. Direct instruction starts with...
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
Binary and Communication Systems
Students participate in an activity that introduces them to the concept of binary coding as a language. They decode messages using special boards that has its own code for different letters. They create new codes by rearranging wires...
Curated OER
Phonics lesson for "sh"
First graders identify words with the "sh" pattern. They participate in phonemic awareness, decoding, blending, spelling patterns, and dictation exercises. As the assessment portion of the lesson, they may write a story using words...
Curated OER
Clock Arithmetic and Cryptography
Students perform basic operations in modular (clock) arithmetic. Students encode and decode messages using shift and affine ciphers. Students apply their multiplication, division, addition, and subtraction skills.
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.
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...
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
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...