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.
08.07 A+B/A-B (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 – Matrix calculus
Keywords
Block Matrix, Operations – Algebraic Addition
Tags
EngiMath, Gate2Math
File
ENG-130-XML-EN.zip
08.08 k*A (STACK) (4)
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 – Matrix calculus
Keywords
Block Matrix, Operations – Algebraic Addition
Tags
EngiMath, Gate2Math
File
ENG-131-XML-EN.zip
08.09 A^T (A,D)(STACK) (2)
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 – Matrix calculus
Keywords
Matrix in Blocks, Operations – Transposition
Tags
EngiMath, Gate2Math
File
ENG-132-XML-EN.zip
08.10 A^T (B, C – STACK) (2)
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 – Matrix calculus
Keywords
Matrix in Blocks, Operations – Transposition
Tags
EngiMath, Gate2Math
File
ENG-133-XML-EN.zip
09.1_1 Check if they are inverse (2×2) (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 – Matrix calculus
Keywords
Inverse of a Matrix, Definition
Tags
EngiMath, Gate2Math
File
ENG-134-XML-EN.zip
09.1_2 Check if they are Inverse (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 – Matrix calculus
Keywords
Inverse of a Matrix, Definition
Tags
EngiMath, Gate2Math
File
ENG-135-XML-EN.zip
09.2 Inverse A and B – Solve in order a x (2×2) (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 – Matrix calculus
Keywords
Inverse of a Matrix, Definition
Tags
EngiMath, Gate2Math
File
ENG-136-XML-EN.zip
09.3 Inverse A and B – Solve in order of x and y (2×2) (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 – Matrix calculus
Keywords
Inverse of a Matrix, Definition
Tags
EngiMath, Gate2Math
File
ENG-137-XML-EN.zip
09.4 Inverse per system (STACK 2×2) (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 – Matrix calculus
Keywords
Inverse of a Matrix, Definition
Tags
EngiMath, Gate2Math
File
ENG-138-XML-EN.zip
09.5 (A±B)^{-1} per system (STACK 2×2) (2)
Authors
Educational level
Higher Education
Level
medium
Description
Group of Questions for Moodle on Matrices – Introuction, 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 – Matrix calculus
Keywords
Inverse of a Matrix, Definition, Addition
Tags
EngiMath, Gate2Math
File
ENG-139-XML-EN.zip









