Curated OER
Get the Picture!
Astronomers practice downloading data from a high-energy satellite and translate the data into colored or shaded pixels. As a hands-on activity, they use pennies to simulate high-energy satellite data and they convert their penny...
Richland Community College
Operations With Matrices
This site has an explanation for many operations of matrices, including equality, addition, subtraction, multiplication, and identity.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Matrices
Learners demonstrate comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on matrices. Topics include matrix addition, subtraction, and multiplication.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Matrix Addition and Scalar Multiplication
Students learn about matrix addition and subtraction, and scalar multiplication. The tutorial consists of class notes, examples, and practice problems. Review exercises and a chapter quiz are included.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Add and Subtract Matrices
Find a quick, concise explanation of how to add and subtract matrices. Step by step examples are included to help you understand how to find the sum or difference of matrices of the same dimensions.
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.