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:

Algebra liniară, spații vectoriale și matrici – Test grilă 17

Bocanet Vlad, Serdean Florina

OER Preview To the OER

13. Row reduction of a matrix to echelon form

EngiMath Project

OER Preview To the OER

Preguntes de test d’Anàlisi Estadística de Dades

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