Instructional Video
Sophia Learning

Sophia: Multiplying Two Medium Matrices: Lesson 1

9th - 10th Standards
This lesson demonstrates multiplication of 3x3 matrices. It is 1 of 7 in the series titled "Multiplying Two Medium Matrices."
Instructional Video
Sophia Learning

Sophia: Multiplying Two Medium Matrices: Lesson 2

9th - 10th Standards
This lesson demonstrates multiplication of 3x3 matrices. It is 2 of 7 in the series titled "Multiplying Two Medium Matrices."
Instructional Video
Sophia Learning

Sophia: Multiplying Two Medium Matrices: Lesson 6

9th - 10th Standards
This lesson demonstrates multiplication of 3x3 matrices. It is 6 of 7 in the series titled "Multiplying Two Medium Matrices."
Instructional Video
Sophia Learning

Sophia: Multiplying Two Small Matrices: Lesson 4

9th - 10th Standards
This lesson demonstrates multiplication of 2x2 matrices. It is 4 of 7 in the series titled "Multiplying Two Small Matrices."
Instructional Video
Sophia Learning

Sophia: Multiplying Two Small Matrices: Lesson 6

9th - 10th Standards
This lesson demonstrates multiplication of 2x2 matrices. It is 6 of 7 in the series titled "Multiplying Two Small Matrices."
Instructional Video
Sophia Learning

Sophia: Multiplying Two Small Matrices: Lesson 1

9th - 10th Standards
This lesson demonstrates multiplication of 2x2 matrices. It is 1 of 7 in the series titled "Multiplying Two Small Matrices."
Instructional Video
Sophia Learning

Sophia: Using Determinants to Classify 2x2 Matrices

9th - 10th Standards
This lesson demonstrates how the determinant of a 2x2 matrix can be used to tell whether or not the matrix represents a dependent linear system, an inconsistent linear system, or neither.
Instructional Video
Sophia Learning

Sophia: Matrix Addition and Subtraction

9th - 10th Standards
This lesson explains how to add and subtract matrices when it is possible to do so, noting matrix addition is commutative and associative. [2:59]
Instructional Video
Sophia Learning

Sophia: Matrix Multiplication

9th - 10th Standards
This lesson introduces matrix multiplication, distinguishes it from multiplying by a scalar, and provides examples of the operation.
Instructional Video
Sophia Learning

Sophia: Matrix Multiplication: Lesson 2

9th - 10th Standards
This lesson introduces matrix multiplication, distinguishes it from multiplying by a scalar, and provides examples of the operation. It is 2 of 2 in the series titled "Matrix Multiplication."
Instructional Video
Sophia Learning

Sophia: Matrix Multiplication: Lesson 9

9th - 10th Standards
This lesson introduces matrix multiplication, distinguishes it from multiplying by a scalar, and provides examples of the operation. It is 9 of 2 in the series titled "matrix multiplication."
Instructional Video
Sophia Learning

Sophia: Multiplying Two Medium Matrices: Lesson 7

9th - 10th Standards
This lesson demonstrates multiplication of 3x3 matrices. It is 7 of 7 in the series titled "Multiplying Two Medium Matrices."
Instructional Video
Sophia Learning

Sophia: Using Determinants to Classify 3x3 Matrices: Lesson 4

9th - 10th Standards
This lesson demonstrates how the determinant of a 3x3 matrix can be used to tell whether or not the matrix represents a dependent linear system, an inconsistent linear system, or neither.