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.
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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.
24.1 Matrix Equations (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations
Tags
EngiMath, Gate2Math
File
ENG-293-XML-EN.zip
24.2 SLEs Solution (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution
Tags
EngiMath, Gate2Math
File
ENG-294-XML-EN.zip
24.3 Solution using the inverse formula (step-by-step) (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution, inverse matrix
Tags
EngiMath, Gate2Math
File
ENG-295-XML-EN.zip
24.4 Solution without using the inverse formula (step-by-step) (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution, inverse matrix
Tags
EngiMath, Gate2Math
File
ENG-296-XML-EN.zip
24.5 3×3 (2nd column in reverse) (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution, inverse matrix
Tags
EngiMath, Gate2Math
File
ENG-297-XML-EN.zip
24.6 2×2, REO’s (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution, inverse matrix
Tags
EngiMath, Gate2Math
File
ENG-298-XML-EN.zip
24.7 3×3, REO’s (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution, inverse matrix
Tags
EngiMath, Gate2Math
File
ENG-299-XML-EN.zip
24.8 SLE using the Inverse Matrix (10)
Authors
Educational level
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution, inverse matrix
Tags
EngiMath, Gate2Math
File
ENG-300-XML-EN.zip
25.01 2×3, 3×2, 3×3 which can be solved by Cramer’s rule (10)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, matrix equations, solution, inverse matrix
Tags
EngiMath, Gate2Math
File
ENG-301-XML-EN.zip
25.02 Determinant of a System (11)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introduction, XML format
– ALL questions have feedback with STEP-by-STEP resolution. 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 – Linear systems
Keywords
Systems of linear equations, System Determinant, Cramer
Tags
EngiMath, Gate2Math
File
ENG-302-XML-EN.zip
