Welcome to the Mathematics OER Smart Library! Our library offers a diverse range of materials—including videos, infographics, games, presentations, animations, and more—covering topics such as algebra, calculus, geometry, statistics, and probability. These resources are available in seven languages: English, Estonian, German, Portuguese, Romanian, Catalan, and Spanish. Additionally, our library includes materials accessible to visually impaired and color-blind individuals. These resources are designed to support educators, students, and researchers in secondary, vocational, and higher education institutions.
Random OERs:
Total number of OERs published so far:
3621To explore and utilize these materials, navigate through our categorized sections or use the search function to find specific OERs of interest.
10. Operations with Square Matrices – Power of a Matrix
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Power of a matrix, generalization about exponents
Tags
EngiMath, Gate2Math
11. Classification of Other Square Matrices
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Idempotent, Nilpotent, Involutory, Symmetrical, Orthogonal
Tags
EngiMath, Gate2Math
12. Elementary Operations on the Rows of a Matrix (OEL)
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Elementary operations, Jacob operations, Elementary matrices, EOR
Tags
EngiMath, Gate2Math
13. Row reduction of a matrix to echelon form
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Triangular matrix, Triangularized matrix
Tags
EngiMath, Gate2Math
14. Applications of elementary operations – Inverse of a matrix
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Inverse of a matrix, Elementary operations
Tags
EngiMath, Gate2Math
15. Determinants – Introduction
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Determinant of a square matrix, Sarrus Rule
Tags
EngiMath, Gate2Math
16. Determinants – Minors and Cofactors
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Elementary Minors, Cofactors, Algebraic Complements
Tags
EngiMath, Gate2Math
File
ENG-016-PRE-EN.pptx
17. Determinants – Laplace Expansion (Cofactors)
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Laplace expansion, Higher order determinants
Tags
EngiMath, Gate2Math
18. Determinants – Properties 1
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Exchange of queues, Multiplication of a determinant by a scalar
Tags
EngiMath, Gate2Math
19. Determinants – Properties 2 (direct zero)
Authors
Educational level
Higher Education
Level
medium
Description
The lesson is presented in the form of a PowerPoint presentation with animation elements, theoretical explanations and practical tasks.
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Equal queues, Proportional queues, null queues
Tags
EngiMath, Gate2Math
