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:

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.10 det(A^T) (STIV)

EngiMath

OER Preview To the OER

Exercitii pentru Lectia 06: Operații cu matrici – Înmulțirea Matricilor 6.9 kAB-nI kAB+nI (STIV)

EngiMath

OER Preview To the OER

Função Exponencial – Introdução

Ana Paula Lopes, Filomena Soares

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 17: Determinante – Expansiunea Cofactorului 17.7 Expansiunea cofactorului pe rândul n: 4×4

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 17: Determinante – Expansiunea Cofactorului 17.7 Expansiunea cofactorului pe rândul n: 4×4

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-195-XML-RO.zip

Details

Updated: April 15, 2025 at 1:13 pm



Average rating

Title

13.07 Place in Reduced echelon form (one step) (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

Echelon Form, Reduced Echelon Form, Matrix

Tags

EngiMath, Gate2Math

File
ENG-178-XML-EN.zip

Details

Updated: April 15, 2025 at 9:10 am



Average rating

Title

Exercitii pentru Lectia 17: Determinante – Expansiunea Cofactorului 17.8 Expansiunea cofactorului pe coloana n: 2×2

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 17: Determinante – Expansiunea Cofactorului 17.8 Expansiunea cofactorului pe coloana n: 2×2

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-196-XML-RO.zip

Details

Updated: April 15, 2025 at 1:13 pm



Average rating

Title

Exercitii pentru Lectia 17: Determinante – Expansiunea Cofactorului 17.9 Expansiunea cofactorului pe coloana n: 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 17: Determinante – Expansiunea Cofactorului 17.9 Expansiunea cofactorului pe coloana n: 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-197-XML-RO.zip

Details

Updated: April 15, 2025 at 1:13 pm



Average rating

Title

Exercitii pentru Lectia 17: Determinante – Expansiunea Cofactorului 17.10 Expansiunea cofactorului pe coloana n: 4×4.

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 17: Determinante – Expansiunea Cofactorului 17.10 Expansiunea cofactorului pe coloana n: 4×4.

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-198-XML-RO.zip

Details

Updated: April 15, 2025 at 1:13 pm



Average rating

Title

13.08 Mark Reduced Form 2×4 (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

Echelon Form, Reduced Echelon Form, Matrix

Tags

EngiMath, Gate2Math

File
ENG-179-XML-EN.zip

Details

Updated: April 15, 2025 at 9:10 am



Average rating

Title

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.1 Matricea B obținută din matricea A prin schimbarea rândurilor coloanelor (o schimbare)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.1 Matricea B obținută din matricea A prin schimbarea rândurilor coloanelor (o schimbare)

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-199-XML-RO.zip

Details

Updated: April 15, 2025 at 1:13 pm



Average rating

Title

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.2 Matricea B obținută din matricea A prin schimbarea rândurilor și coloanelor (două schimbări)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.2 Matricea B obținută din matricea A prin schimbarea rândurilor și coloanelor (două schimbări)

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-200-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.3 Găsește determinanții cu același semn opus

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.3 Găsește determinanții cu același semn opus

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-201-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.4 Factor, rând (STIV)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 18: Determinante – Proprietăți 1 18.4 Factor, rând (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-202-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating