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:

Übung zu Polynomfunktion

Eva Schirgi

OER Preview To the OER

21.01 Triangular superior/Inferior, passo-a-passo (10)  

EngiMath Project

OER Preview To the OER

12.10 Operaciones Elementales – Proceso Inverso (10)

EngiMath Project

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 19: Determinante – Proprietăți 2 (zero direct) 19.3 Rânduri egale, 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.3 Rânduri egale, 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-211-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.4 Coloane egale, 3×3

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.4 Coloane egale, 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-212-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.5 Rânduri proporționale, 4×4

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.5 Rânduri proporționale, 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-213-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.6 Coloane proporționale, 4×4

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.6 Coloane proporționale, 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-214-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.7 Alege o proprietate care dovedește egalitatea valorii determinantului cu zero (rânduri)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.7 Alege o proprietate care dovedește egalitatea valorii determinantului cu zero (rânduri)

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-215-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.8 Alege o proprietate care dovedește egalitatea valorii determinantului cu zero (coloane)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.8 Alege o proprietate care dovedește egalitatea valorii determinantului cu zero (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-216-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.9 Alege o proprietate care dovedește egalitatea valorii determinantului cu zero (mix)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 19: Determinante – Proprietăți 2 (zero direct) 19.9 Alege o proprietate care dovedește egalitatea valorii determinantului cu zero (mix)

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-217-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating

Title

Exercitii pentru Lectia 22: Adjugată și Matricea Inversă 22.1 Adjugată 2×2 prin cofactori (pas cu pas)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 22: Adjugată și Matricea Inversă 22.1 Adjugată 2×2 prin cofactori (pas cu pas)

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-218-XML-RO.zip

Details

Updated: April 15, 2025 at 1:15 pm



Average rating

Title

14.01 Choose the augmented matrix (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

Inverse of a Matrix, Elementary Operations

Tags

EngiMath, Gate2Math

File
ENG-182-XML-EN.zip

Details

Updated: April 15, 2025 at 10:56 am



Average rating

Title

Exercitii pentru Lectia 22: Adjugată și Matricea Inversă 22.2 Adjugată 2×2, alege din cele date

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 22: Adjugată și Matricea Inversă 22.2 Adjugată 2×2, alege din cele date

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-219-XML-RO.zip

Details

Updated: April 15, 2025 at 1:14 pm



Average rating