The University of St. Andrews allows you to look through the history of matrices.

This site has a good definition and examples of determinants, the site begins by explaining what the value of a determinant is, then gives an example of the determinant of a two by two matrix, a generic formula for finding the...

Explains how simple polygons translate into matrices and how to use 2x2 matrices to represent transformations in a plane. Includes video demonstrating an example where a vector must be rotated 90 degrees using matrices. [4:18]

The Partnership defines ICT Literacy as the use of 21st-century tools to perform learning skills. Learning Skill + 21st Century Skill = ICT Literacy. The Math Map here enables educators, administrators, and policymakers to gain concrete...

Find the matrix that is the result of the addition or subtraction of two given matrices. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the inverse of a 2 x 2 matrix. Students can look at guided notes and then attempt practice problems.

Solve equations where the unknown is a matrix by using multiplication by a scalar. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.

Solve equations where the unknown is a matrix, by using matrix addition and subtraction. Students receive immediate feedback and have the opportunity to try questions repeatedly or receive hints.

[Free Registration/Login may be required to access all resource tools.] This lesson covers multiplying matrices by a scalar number. Students examine guided notes, review guided practice and attempt practice problems.

Provides an explanation, examples, and a video lesson all related to matrices. [5:31]

Find specific elements (also called entries) of given matrices. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] Provides resources for working with 2 x 2 matrices as transformations of the plane, and interpreting the absolute value of the determinant in terms of area.

[Free Registration/Login may be required to access all resource tools.] This lesson covers adding and subtracting matrices with the same dimensions. Students can watch a video tutorial, explore guided notes and then attempt practice...

[Free Registration/Login may be required to access all resource tools.] A collection of resources to help students understand how to use matrices to represent and manipulate data, e.g., to represent payoffs or incidence relationships in...

[Free Registration/Login may be required to access all resource tools.] This lesson explains how to multiply two matrices and presents practice exercises.

Provides an explanation, examples, and a video lesson all related to using matrices when solving systems of equations. [6:27]

An excellent site on matrices.

An example and a video lesson provide basic information about matrices. [1:05]

Learners demonstrate comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on matrices. Topics include matrix addition, subtraction, and multiplication.

This site explores the properties of several different types of matrices.

This tutorial gives students an introduction to matrix addition with definitions and examples.

This site gives a definition and examples of a diagonal matrix. The site also contains many links to other related Math World sites.

The topic summary outlines matrix algebra. Some topics reviewed are operations with matrices, matrix inverse, and algebra of matrices. The resource consists of definitions, notes, and examples.

The online quiz assesses student comprehension of math concepts. The quiz consists of true/false questions about matrix algebra.