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Algebra Applications: Systems of Equations, Segment 2: Encryption

Secret codes and encryption are ideal examples of a system of equations. In this activity, students encrypt and decrypt a message.

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Common Core Standards CCSS.MATH.CONTENT.8.EE.C.8, CCSS.MATH.CONTENT.8.EE.C.8.A, CCSS.MATH.CONTENT.8.EE.C.8.B, CCSS.MATH.CONTENT.8.EE.C.8.C, CCSS.MATH.CONTENT.HSA.REI.C.5, CCSS.MATH.CONTENT.HSA.REI.C.6, CCSS.MATH.CONTENT.HSA.REI.C.7, CCSS.MATH.CONTENT.HSA.REI.C.8
Duration 11.55 minutes
Grade Range 8 - 12
Curriculum Nodes Algebra
    • Linear Systems
        • Applications of Linear Systems
        • Solving Systems of Equations
Copyright Year 2011
Keywords algebra, systems of equations, linear systems, applications of linear systems, encryption, matrices, solving a system using matrices