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# Matrix Algebra

## Add, subtract, and multiply matrices based on the positions of entries.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Using All Matrix Operations

This lesson covers simplifying matrix expressions using all the previously learned matrix operations.

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• PLIX

## Matrix Algebra: Color Matching Matrices

Matrix Algebra Interactive

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• PLIX

## Matrix Algebra: Match, Multiply, Match

Matrix Algebra Interactive

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• Practice
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## Using All Matrix Operations Quickwrite (PreRead)

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

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## Using All Matrix Operations Quickwrite (PostRead)

To organize ideas, increase comprehension, synthesize learning, demonstrate understanding of key concepts, and reinforce vocabulary using a Quickwrite.

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• Real World Application