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:

04. Matrices iguales y Operaciones con Matrices – Suma

EngiMath Project

OER Preview To the OER

22.07 Determine x, Non-invertible/singular 3×3 (11)

EngiMath Project

OER Preview To the OER

10.9 A^2=n*I (STACK, 2×2) (1)  

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

19.06 Proportional Columns 4×4 (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, Properties, Proportional rows

Tags

EngiMath, Gate2Math

File
ENG-241-XML-EN.zip

Details

Updated: July 10, 2025 at 6:23 pm



Average rating

Title

19.07 Choose Determinant Property Null – Rows (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, Properties, Zero, Null

Tags

EngiMath, Gate2Math

File
ENG-242-XML-EN.zip

Details

Updated: July 10, 2025 at 6:23 pm



Average rating

Title

19.08 Choose Determinant Property Null – Columns (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, Properties, Zero, Null

Tags

EngiMath, Gate2Math

File
ENG-243-XML-EN.zip

Details

Updated: July 10, 2025 at 6:23 pm



Average rating

Title

19.09 Choose Determinant property Null – Mixed (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, Properties, Zero, Null

Tags

EngiMath, Gate2Math

File
ENG-244-XML-EN.zip

Details

Updated: July 10, 2025 at 6:23 pm



Average rating

Title

19.10 Choose Matrices with Null determinant (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, Properties, Zero, Null

Tags

EngiMath, Gate2Math

File
ENG-245-XML-EN.zip

Details

Updated: July 10, 2025 at 6:23 pm



Average rating

Title

20.01 det(AB), step by step 2×2 (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

Multiplication of determinants, sum of determinants

Tags

EngiMath, Gate2Math

File
ENG-246-XML-EN.zip

Details

Updated: July 10, 2025 at 10:56 pm



Average rating

Title

20.02 det(AB), step by step 3×3 (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

Multiplication of determinants, sum of determinants

Tags

EngiMath, Gate2Math

File
ENG-247-XML-EN.zip

Details

Updated: July 10, 2025 at 10:56 pm



Average rating

Title

20.03 det(AB) (STACK) (3)

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

Multiplication of determinants, sum of determinants

Tags

EngiMath, Gate2Math

File
ENG-248-XML-EN.zip

Details

Updated: July 10, 2025 at 10:57 pm



Average rating

Title

20.04 Calculates the value of det(B) (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

Multiplication of determinants, sum of determinants

Tags

EngiMath, Gate2Math

File
ENG-249-XML-EN.zip

Details

Updated: July 10, 2025 at 10:57 pm



Average rating

Title

20.05 det(A^2) (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

Multiplication of determinants, sum of determinants

Tags

EngiMath, Gate2Math

File
ENG-250-XML-EN.zip

Details

Updated: July 10, 2025 at 10:56 pm



Average rating