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.
09.6 Inverse A and B – Solve in order a x (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-140-XML-EN.zip
09.7 Inverse Properties – choose expression (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, Properties
Tags
EngiMath, Gate2Math
File
ENG-141-XML-EN.zip
09.8 m*A^{-1}±n*A±k*I (STACK, 2×2) (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
Inverse of a Matrix, Definition, Addition, Identity Matrix
Tags
EngiMath, Gate2Math
File
ENG-142-XML-EN.zip
10.1 Calculation of A^n (rectangular vs. square) (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
Power of a Matrix, Square Matrix, Rectangular Matrix, Matrix Multiplication
Tags
EngiMath, Gate2Math
File
ENG-143-XML-EN.zip
10.2 A^2 (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
Power of a Matrix, Square Matrix, Rectangular Matrix, Matrix Multiplication
Tags
EngiMath, Gate2Math
File
ENG-144-XML-EN.zip
10.3 Choose A^2 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
Power of a Matrix, Square Matrix, Rectangular Matrix, Matrix Multiplication
Tags
EngiMath, Gate2Math
File
ENG-145-XML-EN.zip
10.4 A^3 (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
Power of a Matrix, Square Matrix, Multiplication, Addition
Tags
EngiMath, Gate2Math
File
ENG-146-XML-EN.zip
10.5 A^2±nA (STACK 3×3 ) (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
Power of a Matrix, Square Matrix, Multiplication, Addition
Tags
EngiMath, Gate2Math
File
ENG-147-XML-EN.zip
10.6 n*A^2±A^T (STACK, 3×3) (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
Power of a Matrix, Square Matrix, Multiplication, Addition, Transpose
Tags
EngiMath, Gate2Math
File
ENG-148-XML-EN.zip
10.7 A^2=A, Idempotent (STACK) (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
Power of a Matrix, Square Matrix, Multiplication, Idempotent
Tags
EngiMath, Gate2Math
File
ENG-149-XML-EN.zip
