Lesson Plan
Curated OER

All Systems Go!

For Teachers 9th - 12th Standards
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...
Assessment
1
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Balanced Assessment

MasterMind

For Students 9th - 12th Standards
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...
Lesson Plan
Curated OER

Coded Messages

For Teachers 9th - 12th Standards
High schoolers 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.
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
Curated OER

Matrices: A Secret Weapon

For Teachers 9th - 11th
Learners perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
Lesson Plan
Curated OER

SHHH It's a Secret

For Teachers 8th - 10th
Young scholars rewrite word problems using expressions and equations. In this algebra lesson, students use the correct variable to solve and write equations. They use the TI to graph their solution.
Lesson Plan
Curated OER

Decoding Machine

For Teachers 3rd - 5th
Learners are introduced to the concept of variables and their uses. In groups, they are given a code in which they must find the value of the missing words. To end the lesson, they find the value of words over ten letters long and their...
Lesson Plan
Curated OER

U Boat Hunt

For Teachers 10th - 12th
Students recognize patterns and sequences in numbers. For this geometry lesson, students create rules to define the sequences and patterns they obsere. They translate coded messages as they dicuss navigational terms.