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:

Exercitii pentru Lectia 13: Reducerea Rândurilor și Formele Echelon 13.5 Pune în formă echelon a rândului (pas cu pas)

EngiMath

OER Preview To the OER

Operații și matrice elementare de rând

Bocanet Vlad, Serdean Florina

OER Preview To the OER

25.07 Solução completa com fórmula , 2×2 (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

Evaluación_Lección 16: Determinantes – Menores y Cofactores (0)

Authors

EngiMath Project

Educational level

Higher Education

Level

medium

Description

3 Grupos de Preguntas para Moodle sobre Determinantes – Menores y Cofactores – Preguntas con 3 niveles de dificultad con el objetivo de Evaluar – sin retroalimentación. Nota: Requiere que se inserte el banco de preguntas en una plataforma Moodle y, eventualmente, se puede requerir un plugin/software específico para su funcionamiento.

Licence

CC-BY

Type

Quiz/Knowledge Control

Category

Linear algebra – Matrix calculus

Keywords

Menores elementales, cofactores, complementos algebraicos

Tags

EngiMath, UPC, Gate2Math

File
ENG-916-XML-ES.zip

Details

Updated: August 23, 2025 at 10:42 pm



Average rating

Title

Täisarvud

Authors

Oksana Labanova

Educational level

Secondary School

Level

medium

Description

Täisarvude mõiste, vastandarvud, hulkade tähised ning näited kuuluvuse ja mittekuuluvuse kohta. Sobib kasutada täisarvude tutvustamiseks.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals

Keywords

täisarvud, naturaalarvud, vastandarv, arvsirge, hulkade tähised, positiivsed täisarvud, negatiivsed täisarvud, kuuluvus

Tags

TTK, Gate2Math

File
TTK-453-TUT-ET.h5p

Details

Updated: August 24, 2025 at 7:51 am



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Title

Imaginaararvud: kuidas see kõik algas?

Authors

Elena Safiulina, Oksana Labanova

Educational level

Higher Education

Level

easy

Description

Ressurss selgitab ruutvõrrandi näitel, miks tuli imaginaararvud välja mõelda, ning toetab kompleksarvude teema omandamist.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals – Complex numbers

Keywords

kompleksarvud

Tags

Gate2Math, TTK

File
TTK-001-TUT-ET.h5p

Details

Updated: August 24, 2025 at 10:56 am



Average rating

Title

Kompleksarvud algebralisel kujul

Authors

Elena Safiulina, Oksana Labanova

Educational level

Higher Education

Level

easy

Description

See interaktiivne ressurs esitab kompleksarve. Õpetajad saavad selle avatud õppematerjali oma õppematerjalidesse integreerida, et parandada õpilaste arusaamist kompleksarvudest.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals – Complex numbers

Keywords

reaalosa, imaginaarosa

Tags

Gate2Math, TTK

File
TTK-002-IMG-ET.h5p

Details

Updated: August 24, 2025 at 10:56 am



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Title

Kompleksarvu komponendid

Authors

Elena Safiulina, Oksana Labanova

Educational level

Higher Education

Level

easy

Description

Kompleksarvude reaalse ja imaginaarse osa test. Test sisaldab juhuslikke küsimusi koos tagasisidega õpilastele, pakkudes mitmekesist hindamiskogemust, mis sobib õpilaste arusaama rangeks hindamiseks kompleksarvude reaalsest ja imaginaarsest osast.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals – Complex numbers

Keywords

kompleksarvud, reaalosa, imaginaarosa

Tags

Gate2Math, TTK

File
TTK-003-EXE-ET.h5p

Details

Updated: August 24, 2025 at 10:56 am



Average rating

Title

Imaginaararvud

Authors

Elena Safiulina, Oksana Labanova

Educational level

Higher Education

Level

easy

Description

See interaktiivne infograafik esitleb imaginaararve. Õpetajad saavad selle avatud õppematerjali integreerida oma õppematerjalidesse, et parandada õpilaste arusaamist imaginaararvudest.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals – Complex numbers

Keywords

nulline reaalosa

Tags

Gate2Math, TTK

File
TTK-004-TUT-ET.h5p

Details

Updated: August 24, 2025 at 10:56 am



Average rating

Title

Võrdsed kompleksarvud

Authors

Elena Safiulina, Oksana Labanova

Educational level

Higher Education

Level

easy

Description

See avatud õppematerjal selgitab tingimusi, mille korral kaks kompleksarvu on võrdsed. See sisaldab näiteid ja interaktiivseid harjutusi, mis aitavad õpilastel neid tingimusi tuvastada.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals – Complex numbers

Keywords

reaalosa, imaginaarosa

Tags

Gate2Math, TTK

File
TTK-005-TUT-ET.h5p

Details

Updated: August 24, 2025 at 10:56 am



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Title

Jagavuse tunnused

Authors

Oksana Labanova

Educational level

Secondary School

Level

medium

Description

Olulisemad jaguvustunnused koos selgituste ja näidetega. Sobib kasutada jaguvuse reeglite õppimisel ning üldkuju ja jäägi mõistete kinnistamisel.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals

Keywords

jaguvustunnused, jaguvuse reeglid, ristsumma, jääk.

Tags

Gate2Math, TTK

File
TTK-454-TUT-ET.h5p

Details

Updated: August 24, 2025 at 5:17 pm



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Title

Jagavuse tõestus

Authors

Oksana Labanova

Educational level

Secondary School

Level

medium

Description

Paaris- ja paaritute arvude omaduste tõestused üldkujul.

Licence

CC-BY

Type

Excercises

Category

High-school fundamentals

Keywords

jaguvustunnused, tõestamine, paarisarv, paaritu arv

Tags

Gate2Math, TTK

File
TTK-455-EXE-ET.h5p

Details

Updated: August 24, 2025 at 10:47 pm



Average rating

Title

Irratsionaalse algebralise murru taandamine

Authors

Oksana Labanova

Educational level

Level

medium

Description

Irratsionaalsete algebraliste murru­de taandamine: tegurdamine, ühiste tegurite eemaldamine ja konjugeerpaariga nimetaja juurtest vabastamine; lühinäited ja harjutusülesanded.

Licence

CC-BY

Type

Tutorial

Category

High-school fundamentals

Keywords

irratsionaalne murd, algebraline murd, taandamine, tegurdamin

Tags

Gate2Math, TTK

File
TTK-456-TUT-ET.h5p

Details

Updated: August 24, 2025 at 5:52 pm



Average rating