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.
25.12 Number of solutions of a system if Delta=0 (1)
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-312-XML-EN-1.zip
26.01 Augmented matrix 3×3 (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-313-XML-EN-1.zip
26.02 Augmented Matrix vs 3×3 System (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-314-XML-EN.zip
26.03 Choice of operations on lines (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-315-XML-EN.zip
26.04 Calculate, using OELs (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-316-XML-EN.zip
26.05 Gauss method 3×3 (partial) (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-317-XML-EN.zip
26.06 4×4 Gauss method (partial) (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-318-XML-EN.zip
26.07 2×2 Calculate x (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-319-XML-EN.zip
26.08 3×3 Calculate x and y (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-320-XML-EN.zip
26.09 4×4 Calculate y and z (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, Augmented System Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-321-XML-EN.zip








