# Matrices | Algebra 2 Unit with Videos + Activity!

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### Description

Each lesson in this Matrices Unit is taught via video with accompanying notes, review, and assessments. This unit teaches the following concepts:

**Data Organization with Matrices****Matrix Addition****Matrix Multiplication****Transformations with Matrices****Determinants****Inverses of Matrices****Solving Systems with Matrices**

This unit includes:

**Video lessons**that teach each concept in a way students can easily understand**Guided student notes**that keep students engaged, hold them accountable, and serve as a fantastic study tool (teacher’s version is also included)**Quick review videos**to reinforce key concepts**Unit review & study guide**that teach study skills & improve test scores**Editable assessments**that make it easy to accurately assess students' skills**BONUS!! Matrix Coding Activity**- Deepens conceptual understanding of recently taught skills.- NOTE: This unit DOES NOT contain differentiated practice sets.

Here’s a detailed list of the objectives taught in this unit:**4.1** **Data Organization with Matrices**

OBJECTIVE 4.1A: To identify matrices and their elements

OBJECTIVE 4.1B: To use matrices to organize data

**4.2** **Matrix Addition**

OBJECTIVE 4.2A: To add and subtract matrices

OBJECTIVE 4.2B: To use matrix operations to solve matrix equations

**4.3** **Matrix Multiplication**

OBJECTIVE 4.3A: To multiply matrices

OBJECTIVE 4.3B: To identify the multiplicative identity and to use it to verify matrix inverses

**4.4** **Transformations with Matrices**

OBJECTIVE 4.4A: To translate and dilate matrices

OBJECTIVE 4.4B: To reflect and rotate matrices

**4.5** **Determinants**

OBJECTIVE 4.5A: To find the determinant of matrices

OBJECTIVE 4.5B: To use determinants to solve systems of linear equations

OBJECTIVE 4.5C: To use determinants to find the area of a triangle

**4.6** **Inverses of Matrices**

OBJECTIVE 4.6A: To find the inverse of matrices

OBJECTIVE 4.6B: To use the inverse of a matrix to solve matrix equations

**4.7** **Solving Systems with Matrices**

OBJECTIVE 4.7A: To use matrix minors to solve systems of linear equations

OBJECTIVE 4.7B: To use row operations on augmented matrices to solve systems of linear equations

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More MathLight Algebra 2 Units:

Unit 8: Exponential and Logarithmic Functions

Unit 10: Conic Sections/ Quadratic Relations