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:
3520To explore and utilize these materials, navigate through our categorized sections or use the search function to find specific OERs of interest.
23. System of Linear Equations – Introduction
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Linear systems
Keywords
Linear equation, Homogeneous systems, classification
Tags
EngiMath, Gate2Math
File
ENG-049-SCM-EN.zip
24. Solving systems using the inverse matrix
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
“The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view”
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Linear systems
Keywords
Systems of linear equations, System matrix, Inverse, Matrix equation
Tags
EngiMath, Gate2Math
File
ENG-050-SCM-EN.zip
25. Cramer’s method for solving systems
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Linear systems
Keywords
Main determinant, Cramer, System matrix
Tags
EngiMath, Gate2Math
File
ENG-051-SCM-EN.zip
26. Solving systems by Gauss-Jordan
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Linear systems
Keywords
System matrix, echelon matrix, indeterminate system
Tags
EngiMath, Gate2Math
File
ENG-052-SCM-EN.zip
16. Determinants – Minors and Cofactors
Authors
Educational level
Higher Education
Level
medium
Description
The Interactive lesson with examples and questions
Note: Requires specific plugin/software to use/view
Licence
CC-BY
Type
Tutorial
Category
Linear algebra – Matrix calculus
Keywords
Elementary Minors, Cofactors, Algebraic Complements
Tags
EngiMath, Gate2Math
File
ENG-042-SCM-EN.zip
Komplexe Zahlen außerhalb der Achsen
Authors
Elena Safiulina, Oksana Labanova, Yevheniia Andriichenko
Educational level
Higher Education
Level
easy
Description
Dieses Lernkartenset zeigt komplexe Zahlen, die auf den Achsen der komplexen Ebene aufgetragen sind, und ermutigt die Studierenden, jeden Punkt in seiner algebraischen Form zu bestimmen und zu schreiben. Diese Übung hilft den Lernenden, ihr Verständnis für komplexe Zahlen in verschiedenen Positionen zu vertiefen und stärkt die Fähigkeiten, sowohl reale als auch imaginäre Komponenten zu interpretieren.
Licence
CC-BY
Type
Game/Online Exercise
Category
High-school fundamentals – Complex numbers
Keywords
Flash Cards, Complex Plane
Tags
Gate2Math, TTK, C02
File
TTK-017-GAM-DE.h5p
Komplexe Zahlen auf Achsen
Authors
Elena Safiulina, Oksana Labanova, Yevheniia Andriichenko
Educational level
Higher Education
Level
easy
Description
Dieses Lernkartenset zeigt komplexe Zahlen, die auf den Achsen der komplexen Ebene aufgetragen sind, und ermutigt die Studierenden, jeden Punkt in seiner algebraischen Form zu bestimmen und zu schreiben. Diese Übung hilft den Lernenden, ihr Verständnis für komplexe Zahlen in verschiedenen Positionen zu vertiefen und stärkt die Fähigkeiten, sowohl reale als auch imaginäre Komponenten zu interpretieren.
Licence
CC-BY
Type
Game/Online Exercise
Category
High-school fundamentals – Complex numbers
Keywords
Flash Cards, Complex Plane
Tags
Gate2Math, TTK, C02
File
TTK-016-GAM-DE.h5p
Assessment_CLASS 01: Introduction to matrices
Authors
Educational level
Higher Education
Level
medium
Description
Three groups of questions for Moodle on matrix definition, elements, rows, and columns. The questions are designed with three levels of difficulty to facilitate assessment and do not include feedback.
Note: It requires a Moodle platform to be inserted into the question bank and, eventually, a specific plugin/software may be necessary for its operation.
Licence
CC-BY
Type
Quiz/Knowledge Control
Category
Linear algebra – Matrix calculus
Keywords
Matrix, Elements of a Matrix, Rows and Columns
Tags
EngiMath, Gate2Math
File
ENG-328-XML-EN.zip
Assessment_CLASS 02: Classification of matrices according to size
Authors
Educational level
Higher Education
Level
medium
Description
Three groups of questions for Moodle on matrix definition, elements, rows, and columns. The questions are designed with three levels of difficulty to facilitate assessment and do not include feedback.
Note: It requires a Moodle platform to be inserted into the question bank and, eventually, a specific plugin/software may be necessary for its operation.
Licence
CC-BY
Type
Quiz/Knowledge Control
Category
Linear algebra – Matrix calculus
Keywords
Square and Rectangular Matrix, Vector Matrix
Tags
EngiMath, Gate2Math
File
ENG-329-XML-EN.zip
Assessment_CLASS 03: Classification/names of matrices according to element restrictions
Authors
Educational level
Higher Education
Level
medium
Description
Three groups of questions for Moodle on classifying matrices according to element restriction. The questions are designed with three levels of difficulty to facilitate assessment and do not include feedback.
Note: It requires a Moodle platform to be inserted into the question bank and, eventually, a specific plugin/software may be necessary for its operation.
Licence
CC-BY
Type
Quiz/Knowledge Control
Category
Linear algebra – Matrix calculus
Keywords
Triangular Matrix, Diagonal Matrix, Identity Matrix, Scalar Matrix, Null Matrix
Tags
EngiMath, Gate2Math
File
ENG-330-XML-EN.zip