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.
11.03 Check if a matrix is nilpotent (10)
Authors
Educational level
Higher Education
Level
hard
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, Nilpotent
Tags
EngiMath, Gate2Math
File
ENG-155-XML-EN.zip
11.04 A^k=0, Determine x, Nilpotent (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, Nilpotent
Tags
EngiMath, Gate2Math
File
ENG-156-XML-EN.zip
11.05 Determine if the matrix is Involutory (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, Multiplication, Nilpotent
Tags
EngiMath, Gate2Math
File
ENG-157-XML-EN.zip
11.06 A^2=I Determine x, Involutory (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
Power of a Matrix, Square Matrix, Multiplication, Involuntary Matrix
Tags
EngiMath, Gate2Math
File
ENG-158-XML-EN.zip
11.07 Determine whether the matrix is symmetric/anti-symmetric (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, Multiplication, Involuntary Matrix
Tags
EngiMath, Gate2Math
File
ENG-159-XML-EN.zip
11.08 Determine whether the matrix is orthogonal AA^T=I (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
Orthogonal Matrix, Square Matrix, Inverse Matrix
Tags
EngiMath, Gate2Math
File
ENG-160-XML-EN.zip
11.09 Mix (3×3) (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 – Matrix calculus
Keywords
Orthogonal, Symmetric, Nilpotent, Idempotent, Inverse Matrix
Tags
EngiMath, Gate2Math
File
ENG-161-XML-EN.zip
12.01 Choosing the correct OELs (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
Elementary Operations, Rows of a Matrix, Jacobi Operations
Tags
EngiMath, Gate2Math
File
ENG-162-XML-EN.zip
12.02 Choose OEL (by formula) (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
Elementary Operations, Rows of a Matrix, Jacobi Operations
Tags
EngiMath, Gate2Math
File
ENG-163-XML-EN.zip
12.03 Parallel queue switching (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
Elementary Operations, Rows of a Matrix, Jacobi Operations, Exchange
Tags
EngiMath, Gate2Math
File
ENG-164-XML-EN.zip
