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.

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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

Matrixaddition. Beispiel 3

Authors

Yevheniia Andriichenko

Educational level

Secondary School

Level

easy

Description

Addition zweier gleichdimensionaler Matrizen. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

Linear algebra – Matrix calculus

Keywords

Matrixaddition

Tags

C02, Gate2Math

File
C02-142-H5P-DE.h5p

Details

Updated: July 4, 2025 at 8:28 am



Average rating

Title

Matrixmultiplikation. Beispiel 2

Authors

Yevheniia Andriichenko

Educational level

Vocational School

Level

medium

Description

Multiplikation zweier kompatibler Matrizen. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

Linear algebra – Matrix calculus

Keywords

Matrixmultiplikation

Tags

C02, Gate2Math

File
C02-144-H5P-DE.h5p

Details

Updated: July 4, 2025 at 8:28 am



Average rating

Title

Matrixmultiplikation. Beispiel 3

Authors

Yevheniia Andriichenko

Educational level

Vocational School

Level

medium

Description

Multiplikation zweier kompatibler Matrizen. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

Linear algebra – Matrix calculus

Keywords

Matrixmultiplikation

Tags

C02, Gate2Math

File
C02-145-H5P-DE.h5p

Details

Updated: July 4, 2025 at 8:28 am



Average rating

Title

Inverse Matrix. Beispiel 1

Authors

Yevheniia Andriichenko

Educational level

Higher Education

Level

hard

Description

Berechnung der Inversen einer 2×2-Matrix. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

Linear algebra – Matrix calculus

Keywords

Inverse Matrix

Tags

C02, Gate2Math

File
C02-146-H5P-DE-1.h5p

Details

Updated: July 4, 2025 at 8:59 am



Average rating

Title

Inverse Matrix. Beispiel 2

Authors

Yevheniia Andriichenko

Educational level

Higher Education

Level

hard

Description

Berechnung der Inversen einer 2×2-Matrix. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

Linear algebra – Matrix calculus

Keywords

Inverse Matrix

Tags

C02, Gate2Math

File
C02-147-H5P-DE-1.h5p

Details

Updated: July 4, 2025 at 9:01 am



Average rating

Title

Inverse Matrix. Beispiel 3

Authors

Yevheniia Andriichenko

Educational level

Higher Education

Level

hard

Description

Berechnung der Inversen einer 2×2-Matrix. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

Linear algebra – Matrix calculus

Keywords

Inverse Matrix

Tags

C02, Gate2Math

File
C02-148-H5P-DE-1.h5p

Details

Updated: July 4, 2025 at 9:01 am



Average rating

Title

Matrixmultiplikation. Beispiel 1

Authors

Yevheniia Andriichenko

Educational level

Vocational School

Level

medium

Description

Multiplikation zweier kompatibler Matrizen. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

Linear algebra – Matrix calculus

Keywords

Matrixmultiplikation

Tags

C02, Gate2Math

File
C02-143-H5P-DE-1.h5p

Details

Updated: July 4, 2025 at 8:27 am



Average rating

Title

Lösung einer quadratischen Gleichung (Mitternachtsformel). Beispiel 1

Authors

Yevheniia Andriichenko

Educational level

Higher Education

Level

medium

Description

Lösung einer quadratischen Gleichung mit der Mitternachtsformel. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals – Polynomials

Keywords

Quadratische Gleichung, Mitternachtsformel

Tags

C02, Gate2Math

File
C02-149-H5P-DE.h5p

Details

Updated: July 4, 2025 at 8:27 am



Average rating

Title

Lösung einer quadratischen Gleichung (Mitternachtsformel). Beispiel 2

Authors

Yevheniia Andriichenko

Educational level

Higher Education

Level

medium

Description

Lösung einer quadratischen Gleichung mit der Mitternachtsformel. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals – Polynomials

Keywords

Quadratische Gleichung, Mitternachtsformel

Tags

C02, Gate2Math

File
C02-150-H5P-DE.h5p

Details

Updated: July 4, 2025 at 8:27 am



Average rating

Title

Lösung einer quadratischen Gleichung (Mitternachtsformel). Beispiel 3

Authors

Yevheniia Andriichenko

Educational level

Higher Education

Level

medium

Description

Lösung einer quadratischen Gleichung mit der Mitternachtsformel. Hinweis: Erfordert die Verwendung eines speziellen Plug-ins/Software.

Licence

CC-BY

Type

Game/Online Exercise

Category

High-school fundamentals

Keywords

Quadratische Gleichung, Mitternachtsformel

Tags

C02, Gate2Math

File
C02-151-H5P-DE.h5p

Details

Updated: July 4, 2025 at 8:27 am



Average rating