CK-12 Foundation
Multiplying Matrices by a Scalar
The rule is add before multiplying, even with matrices. Pupils use a slider to change the scalar multiplying the sum of two matrices. The interactive displays the resulting solution matrix, and requires scholars answer five questions...
Alabama Learning Exchange
Add, Subtract, and Multiply Matrices
Introduce the concept of matrices with a pre-designed instructional activity. Learners watch video lessons to learn the ins and outs of adding, subtracting, and multiplying matrices. Using provided problems, they practice each operation...
CK-12 Foundation
Multiplying Matrices by a Scalar: Column Vectors
Make connections between vectors and matrices through multiplication. Scholars use the interactive to view the effect of multiplying a matrix by a scalar. The interactive displays the resulting matrix and its corresponding column vectors...
CK-12 Foundation
Multiplying Matrices by a Scalar: Making Matrix Patterns
Scalar multiplication equations can be a drag. Scholars determine missing matrices to make correct scalar matrix multiplication equations. They place the correct matrix into the equations within the interactive resource and analyze the...
EngageNY
Networks and Matrix Arithmetic
Doubling a network or combining two networks is quick and easy when utilizing matrices. Learners continue the network example in the second activity of this series. They practice adding, subtracting, and multiplying matrices by a scalar...
Curated OER
Operations on Matrices
A guided activity using the WolframAlpha computer program. The class explores the basic operations of adding, subtracting, multiplying and dividing matrices to solve problems.
Curated OER
Videobusters
A real-world scenario, Videobusters, a video rental store has just got to get organized. In small groups, the class works on organizing and analyzing data utilizing matrices. They need to use their skills in adding, subtracting and...
Curated OER
Matrices at the Speed of Light!
Perform operations using matrices in this algebra lesson. Middle schoolers add, subtract, and multiply matrices. Additionally, they solve systems of equations using matrices.
Curated OER
Solving Systems with Row Operations 1
Students solve systems of equations. In this algebra instructional activity, students use matrices to solve linear equations. They use reduced row echelon-form and scalar multiplier to simplify the matrices completely.
EngageNY
Linear Transformations Review
Time for matrices and complex numbers to come together. Individuals use matrices to add and multiply complex numbers by a scalar. The instructional activity makes a strong connection between the operations and graphical transformations.
Curated OER
Matrix operations and Matrix Inverses
Eleventh graders study how to combine like vector's that are matrices. In this matrix operations worksheet, 11th graders combine matrices linearly and define the matrix-matrix product and its properties. Students also study matrix...
Curated OER
Basic Matrix Algebra
Students perform basic matrices operations. In this algebra lesson, students add, subtract, multiply and divide matrices. They solve system of equations using matrices.
Curated OER
Linear Systems: Independence, Basis and Dimension
In this basis and dimension worksheet, learners explore vector spaces associated with rectangular matrices. The two-page worksheet contains approximately 20 short answer questions.
Sophia Learning
Sophia: Scalar Multiplication: Lesson 3
This brief lesson will introduce scalars, and demonstrate how to perform scalar multiplication with matrices. It is 3 of 10 in the series titled "Scalar Multiplication."
Sophia Learning
Sophia: Scalar Multiplication: Lesson 1
This brief lesson will introduce scalars, and demonstrate how to perform scalar multiplication with matrices. It is 1 of 10 in the series titled "Scalar Multiplication."
Analyze Math
Analyze Math: Matrix Addition and Multiplication
Learners explore the discrete mathematics topic of matrices. The tutorial demonstrates how to add and multiply matrices. Some topics explored are scalar multiplication, multiplication of two matrices, square matrices, and addition of two...
Varsity Tutors
Varsity Tutors: Hotmath: Matrix Multiplication
A large set of problems present a variety of practice with matrix multiplication. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button...
Interactive Mathematics
Interactive Mathematics: Matrices
This over view of matrices begins with an application to electronics using circuit equations. Examples are provided to demonstrate types of matrices, the identity matrix, addition and scalar multiplication of matrices.
Cool Math
Coolmath: Inverse Matrices
You can add and subtract matrices, multiply a matrix by a scalar, and multiply two matrices. So, what about division? Well, there isn't a division process for matrices. See this example for how to get around this problem!
Purple Math
Purplemath: Scalar and Matrix Multiplication
With several easy-to-understand examples worked out, this lesson demonstrates the steps needed to multiply a matrix by a scalar (a constant). True "Matrix multiplication," where two matrices are multiplied to eachother is also...