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:

Tehted astmetega (naturaalarvuline astendaja)/TEOORIA. NÄITED

Oksana Labanova

OER Preview To the OER

22.09 Inversa 3×3 (paso a paso) (10)

EngiMath Project

OER Preview To the OER

Übung zu Skalenniveau

Eva Schirgi

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

Matrixoperationen – Transponieren

Authors

Yevheniia Andriichenko, Eva Schirgi

Educational level

Secondary School

Level

easy

Description

Thema: Matrix
Art der Übung: Bild
Lernziel: Theorie
Aufgabe: Matrixoperationen – Transponieren
Hinweis: Es wird kein spezielles Plug-in/keine spezielle Software benötigt.

Licence

CC-BY

Type

Image

Category

Linear algebra – Matrix calculus

Keywords

Matrix, Lineal algebra

Tags

C02, Gate2Math

File
C02-022-IMG-DE.jpg

Details

Updated: July 4, 2025 at 8:37 am



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Title

Korrutamine rühmal S3

Authors

Tatjana Tamberg

Educational level

Higher Education

Level

easy

Description

Kuidas leoda sümmetrilise rühma elementide (substitutsioonide) korrutis

Licence

CC-BY

Type

Tutorial

Category

Abstract algebra – Groups

Keywords

Symmetric Group, group, general algebra, algebra

Tags

Gate2Math, TLU

File
TLU-001-TUT-ET.h5p

Details

Updated: February 14, 2025 at 6:09 am



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Title

Rühma S3 Cayley Tabel

Authors

Tatjana Tamberg

Educational level

Higher Education

Level

easy

Description

Sümmeetrilise rühma S3 korrutustabeli koostamine

Licence

CC-BY

Type

Worksheet

Category

Abstract algebra – Groups

Keywords

Symmetric Group, Cayley table, group, algebra

Tags

Gate2Math, TLU

File
TLU-002-EXE-ET.h5p

Details

Updated: February 14, 2025 at 6:09 am



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Title

Truth Table

Authors

Tatjana Tamberg

Educational level

Higher Education

Level

easy

Description

To construct the truth table

Licence

CC-BY

Type

Worksheet

Category

Logic – Propositional logic

Keywords

truth table, logic

Tags

Gate2Math, TLU

File
TLU-004-EXE-EN.h5p

Details

Updated: February 14, 2025 at 6:09 am



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Title

Truth Table

Authors

Tatjana Tamberg

Educational level

Higher Education

Level

easy

Description

To construct the Truth Table

Licence

CC-BY

Type

Worksheet

Category

Logic – Propositional logic

Keywords

truth table, logic

Tags

Gate2Math, TLU

File
TLU-005-EXE-EN.h5p

Details

Updated: February 14, 2025 at 6:09 am



Average rating

Title

Illustration of definition of derivative, tangent

Authors

Tatjana Tamberg

Educational level

Secondary School

Level

easy

Description

Illustratoin of definition of derivative with Geogebra

Licence

CC-BY

Type

GIF/Animation

Category

High-school fundamentals – Derivatives

Keywords

derivative, tangent

Tags

Gate2Math, TLU

File
TLU-006-ANI-EN.h5p

Details

Updated: February 14, 2025 at 6:09 am



Average rating

Title

one-sided limits

Authors

Tatjana Tamberg

Educational level

Secondary School

Level

easy

Description

it is illustrated with Geogebra, that one-sided limits of function may be different

Licence

CC-BY

Type

GIF/Animation

Category

High-school fundamentals – Límits

Keywords

one-sided limits, limits

Tags

Gate2Math, TLU

File
TLU-007-ANI-EN.h5p

Details

Updated: February 14, 2025 at 6:09 am



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Title

The limit of the Function

Authors

Tatjana Tamberg

Educational level

Secondary School

Level

easy

Description

some sentences/ Illustration with Geogebra how the limit of the function works

Licence

CC-BY

Type

GIF/Animation

Category

High-school fundamentals – Límits

Keywords

linit, function, geogebra

Tags

Gate2Math, TLU

File
TLU-008-ANI-EN.h5p

Details

Updated: February 14, 2025 at 6:10 am



Average rating

Title

Area of a curvlinear Trapezoid

Authors

Tatjana Tamberg

Educational level

Secondary School

Level

easy

Description

Area of a curvlinear trapezoid is illustrated with Geogebra

Licence

CC-BY

Type

GIF/Animation

Category

One variable calculus – Areas and volumes

Keywords

area, curvelinear trapezoid, integral

Tags

Gate2Math, TLU

File
TLU-009-ANI-EN.h5p

Details

Updated: February 14, 2025 at 6:10 am



Average rating

Title

Kõvertrapetsi pindala

Authors

Tatjana Tamberg

Educational level

Secondary School

Level

easy

Description

Kõvertrapetsi pindala leidmine integrali abil on illustreeritud Geogebra abil

Licence

CC-BY

Type

GIF/Animation

Category

One variable calculus – Areas and volumes

Keywords

kõvertrapets, pindala, integral

Tags

Gate2Math, TLU

File
TLU-009-ANI-ET-1.h5p

Details

Updated: February 14, 2025 at 6:10 am



Average rating