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.
23.06 What is an System of Linear Equation? (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
Linear equation, Systems, Definition
Tags
EngiMath, Gate2Math
File
ENG-283-XML-EN.zip
23.07 Number of Variables/Number of 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
Linear equation, Systems, Variables
Tags
EngiMath, Gate2Math
File
ENG-284-XML-EN.zip
23.08 Solution of the System of Linear Equation(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
Linear equation, Systems, Solution
Tags
EngiMath, Gate2Math
File
ENG-285-XML-EN.zip
23.09 Check the 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
Linear equation, Systems, Solution
Tags
EngiMath, Gate2Math
File
ENG-286-XML-EN.zip
23.10 SEL: Geometric 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
Linear equation, Systems, Solution, Geometric Solution
Tags
EngiMath, Gate2Math
File
ENG-287-XML-EN.zip
23.11 System of Linear Equations: A and B (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
Linear equation, Systems, System Matrix, Independent Terms
Tags
EngiMath, Gate2Math
File
ENG-288-XML-EN.zip
23.12 SLE: Augmented Matrix (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
Linear equation, Systems, System Matrix, Augmented Matrix, Complete Matrix
Tags
EngiMath, Gate2Math
File
ENG-289-XML-EN.zip
23.13 SLE: Inconsistent/Consistent with single or multiple solutions solutions (8)
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, Classification, Determined, Impossible, Indeterminate
Tags
EngiMath, Gate2Math
File
ENG-290-XML-EN.zip
23.14 Non-Homogeneous Systems (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, Homogeneous Systems
Tags
EngiMath, Gate2Math
File
ENG-291-XML-EN.zip
23.15 Trivial 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, Homogeneous Systems, Null solution, Trivial solution
Tags
EngiMath, Gate2Math
File
ENG-292-XML-EN.zip









