A matrix is just a fancy way of making a table. Young scholars explore operations with matrices with the first lessons in the final module of a 10-unit Algebra II series. After adding, subtracting, and multiplying matrices, pupils use matrices as a method for solving a linear system.

Concepts

matrices, determinants, inverse matrices, matrix operations, systems of linear equations

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Additional Tags

math

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Instructional Ideas

• Create a bulletin board with matrix vocabulary to use as a reference throughout the unit
• Compare and contrast the different methods of solving linear systems

Classroom Considerations

• Expects some experience with matrices prior to the first lesson

Pros

• Relies on higher order thinking skills to complete tasks
• Builds each new concept from prior knowledge

Cons

• None

Common Core

HSN-VM.C.6 HSN-VM.C.8 HSN-VM.C.9 HSN-VM.C.10 HSN-VM.C.12 HSA-REI.A.1