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:

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Kompleksarvu argumeent

Elena Safiulina, Oksana Labanova

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 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.2 A, B sunt inverse. Rezolvă pentru x (2×2)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.2 A, B sunt inverse. Rezolvă pentru x (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-131-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



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Title

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.3 A,B sunt inverse. Rezolvă pentru x și y (2×2)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.3 A,B sunt inverse. Rezolvă pentru x și y (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-132-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



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Title

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.4 Inversă prin sistem (STIV 2×2)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.4 Inversă prin sistem (STIV 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-133-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



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Title

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.5 (A±B)^{-1} prin sistem (STIV 2×2)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.5 (A±B)^{-1} prin sistem (STIV 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-134-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



Average rating

Title

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.6 A, B sunt inverse. Rezolvă pentru x (3×3)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.6 A, B sunt inverse. Rezolvă pentru x (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-135-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



Average rating

Title

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.7 Folosind proprietățile matricei inverse, alege o expresie corectă

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 09: Operații cu Matrici Pătrate – Inversa unei Matrici 9.7 Folosind proprietățile matricei inverse, alege o expresie corectă

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-136-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



Average rating

Title

Exercitii pentru Lectia 06: Operații cu matrici – Înmulțirea Matricilor 6.7_2 Înmulțire, care dă matricea zero (STIV)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 06: Operații cu matrici – Înmulțirea Matricilor 6.7_2 Înmulțire, care dă matricea zero (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-137-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



Average rating

Title

Exercitii pentru Lectia 10: Operații cu Matrici Pătrate – Puterea unei Matrici 10.2 A^2 (STIV, 2×2)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 10: Operații cu Matrici Pătrate – Puterea unei Matrici 10.2 A^2 (STIV, 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-138-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



Average rating

Title

Exercitii pentru Lectia 10: Operații cu Matrici Pătrate – Puterea unei Matrici 10.3 Alege A^2 2×2

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 10: Operații cu Matrici Pătrate – Puterea unei Matrici 10.3 Alege A^2 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-139-XML-RO.zip

Details

Updated: April 15, 2025 at 1:08 pm



Average rating

Title

Exercitii pentru Lectia 10: Operații cu Matrici Pătrate – Puterea unei Matrici 10.4 A^3 (STIV, 2×2)

Authors

EngiMath

Educational level

Higher Education

Level

medium

Description

Exercitii pentru Lectia 10: Operații cu Matrici Pătrate – Puterea unei Matrici 10.4 A^3 (STIV, 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-140-XML-RO.zip

Details

Updated: April 15, 2025 at 1:09 pm



Average rating