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:

Resol una primitiva

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Elena Safiulina

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06. Operacions amb Matrius – Producte de matrius

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

Übung zu Wahrscheinlichkeiten

Authors

Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Wahrscheinlichkeit
Aufgabentyp: Multiple Choice
Aufgabenstellung: Aus mehreren Aussagen zu Wahrscheinlichkeiten müssen die korrekten Aussagen gefunden werden.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Wahrscheinlichkeit

Tags

C02, Gate2Math

File
C02-242-H5P-DE.h5p

Details

Updated: July 2, 2025 at 10:50 am



Average rating

Title

16.10 Linear Combination of Cofactors, 3×3 (STACK) (1)

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, Minor Complementary, Element, Algebraic Complement

Tags

EngiMath, Gate2Math

File
ENG-212-XML-EN-1.zip

Details

Updated: July 2, 2025 at 10:48 am



Average rating

Title

Übung zu Wahrscheinlichkeiten

Authors

Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Wahrscheinlichkeit
Aufgabentyp: Multiple Choice
Aufgabenstellung: Aus mehreren Aussagen zu Wahrscheinlichkeiten müssen die korrekten Aussagen gefunden werden.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Wahrscheinlichkeit

Tags

C02, Gate2Math

File
C02-243-H5P-DE.h5p

Details

Updated: July 2, 2025 at 10:50 am



Average rating

Title

16.11 Cofactor vs. Minor (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, Minor Complementary, Element, Algebraic Complement

Tags

EngiMath, Gate2Math

File
ENG-213-XML-EN.zip

Details

Updated: July 2, 2025 at 10:48 am



Average rating

Title

Übung zu Wahrscheinlichkeiten

Authors

Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Wahrscheinlichkeit
Aufgabentyp: Multiple Choice
Aufgabenstellung: Aus mehreren Aussagen zu Wahrscheinlichkeiten müssen die korrekten Aussagen gefunden werden.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Wahrscheinlichkeit

Tags

C02, Gate2Math

File
C02-244-H5P-DE.h5p

Details

Updated: July 2, 2025 at 10:50 am



Average rating

Title

16.12 Minor/Cofactor (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, Minor Complementary, Element, Algebraic Complement

Tags

EngiMath, Gate2Math

File
ENG-214-XML-EN.zip

Details

Updated: July 2, 2025 at 10:48 am



Average rating

Title

Übung zu Wahrscheinlichkeiten

Authors

Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Wahrscheinlichkeit
Aufgabentyp: Multiple Choice
Aufgabenstellung: Aus mehreren Aussagen zu Wahrscheinlichkeiten müssen die korrekten Aussagen gefunden werden.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Wahrscheinlichkeit

Tags

C02, Gate2Math

File
C02-245-H5P-DE.h5p

Details

Updated: July 2, 2025 at 10:50 am



Average rating

Title

Übung zu Wahrscheinlichkeiten

Authors

Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Wahrscheinlichkeit
Aufgabentyp: Multiple Choice
Aufgabenstellung: Aus mehreren Aussagen zu Wahrscheinlichkeiten müssen die korrekten Aussagen gefunden werden.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Wahrscheinlichkeit

Tags

C02, Gate2Math

File
C02-246-H5P-DE.h5p

Details

Updated: July 2, 2025 at 10:50 am



Average rating

Title

Übung zu Wahrscheinlichkeiten

Authors

Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Wahrscheinlichkeit
Aufgabentyp: Multiple Choice
Aufgabenstellung: Aus mehreren Aussagen zu Wahrscheinlichkeiten müssen die korrekten Aussagen gefunden werden.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Wahrscheinlichkeit

Tags

C02, Gate2Math

File
C02-247-H5P-DE.h5p

Details

Updated: July 2, 2025 at 11:01 am



Average rating

Title

Übung zu Wahrscheinlichkeiten

Authors

Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Wahrscheinlichkeit
Aufgabentyp: Multiple Choice
Aufgabenstellung: Aus mehreren Aussagen zu Wahrscheinlichkeiten müssen die korrekten Aussagen gefunden werden.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Wahrscheinlichkeit

Tags

C02, Gate2Math

File
C02-248-H5P-DE.h5p

Details

Updated: July 2, 2025 at 11:01 am



Average rating