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:

Juurvõrrandid 7

Marina Latõnina, Tatjana Tamberg

OER Preview To the OER

26. Resolució de sistemes per Gauss-Jordan

EngiMath Project

OER Preview To the OER

Continuous Random Variables

Carles Serrat, M. Montserrat Bruguera

OER Preview To the OER

Total number of OERs published so far:

3621

To explore and utilize these materials, navigate through our categorized sections or use the search function to find specific OERs of interest.

Title

Exercitii pentru Lectia 20: Determinante – Proprietăți 3 20.10 det(A) prin B și C (rânduri coloane)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 20: Determinante – Proprietăți 3 20.10 det(A) prin B și C (rânduri coloane)

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-244-XML-RO.zip

Details

Updated: April 15, 2025 at 1:17 pm



Average rating

Title

Exercitii pentru Lectia 20: Determinante – Proprietăți 3 20.11 Proprietatea invariabilității

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 20: Determinante – Proprietăți 3 20.11 Proprietatea invariabilității

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-245-XML-RO.zip

Details

Updated: April 15, 2025 at 1:17 pm



Average rating

Title

Exercitii pentru Lectia 21: Determinante – Proprietăți 4 21.10 det(AkB^{-1}) (STIV)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 21: Determinante – Proprietăți 4 21.10 det(AkB^{-1}) (STIV)

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-246-XML-RO.zip

Details

Updated: April 15, 2025 at 1:17 pm



Average rating

Title

Exercitii pentru Lectia 12: Operații Elementare pe Rânduri și Matrici 12.9 Matrice elementară (STIV)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 12: Operații Elementare pe Rânduri și Matrici 12.9 Matrice elementară (STIV)

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-247-XML-RO.zip

Details

Updated: April 15, 2025 at 1:17 pm



Average rating

Title

Exercitii pentru Lectia 12: Operații Elementare pe Rânduri și Matrici 12.10 Operație inversă

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 12: Operații Elementare pe Rânduri și Matrici 12.10 Operație inversă

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-248-XML-RO.zip

Details

Updated: April 15, 2025 at 1:17 pm



Average rating

Title

15.01 Choose a determinant (10)

Authors

EngiMath Project

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

Determinant, Identification, Notation

Tags

EngiMath, Gate2Math

File
ENG-191-XML-EN.zip

Details

Updated: April 15, 2025 at 10:54 am



Average rating

Title

Exercitii pentru Lectia 22: Adjugată și Matricea Inversă 22.10 Inversă 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 22: Adjugată și Matricea Inversă 22.10 Inversă 3×3

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-249-XML-RO.zip

Details

Updated: April 15, 2025 at 1:17 pm



Average rating

Title

Exercitii pentru Lectia 13: Reducerea Rândurilor și Formele Echelon 13.10 Ranga matricii (STIV)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 13: Reducerea Rândurilor și Formele Echelon 13.10 Ranga matricii (STIV)

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-250-XML-RO.zip

Details

Updated: April 15, 2025 at 1:18 pm



Average rating

Title

Exercitii pentru Lectia 13: Reducerea Rândurilor și Formele Echelon 13.9 Scrie ranga matricii

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 13: Reducerea Rândurilor și Formele Echelon 13.9 Scrie ranga matricii

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

matrices, XML, tests, Romanian

Tags

EngiMath, matrices, XML, Moodle, Romanian

File
ENG-251-XML-RO.zip

Details

Updated: April 15, 2025 at 1:18 pm



Average rating

Title

15.02 Det 1×1 (STACK) (2)

Authors

EngiMath Project

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

Determinant, Identification, Notation

Tags

EngiMath, Gate2Math

File
ENG-192-XML-EN.zip

Details

Updated: April 15, 2025 at 10:55 am



Average rating