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:
Total number of OERs published so far:
3621To explore and utilize these materials, navigate through our categorized sections or use the search function to find specific OERs of interest.
Power of complex numbers in algebraical form
Authors
Elena Safiulina, Oksana Labanova
Educational level
Higher Education
Level
easy
Description
This OER covers the powers of complex numbers in algebraic form. Interactive exercises guide students through step-by-step calculations and visual representations on the complex plane. The resource helps learners develop a strong foundation in complex number operations for further mathematical applications.
Licence
CC-BY
Type
Tutorial
Category
High-school fundamentals – Complex numbers
Keywords
Complex Number, Power of Complex Numbers
Tags
Gate2Math, TTK
File
TTK-014-TUT-EN.h5p
01.1 Choose a Matrix (10)
Authors
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-053-XML-EN.zip
01.2 Matrix Type (mxn)_only numbers (10)
Authors
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-054-XML-EN.zip
01.3_1 Choose the Matrix Given the type (extensive)_only numbers (10)
Authors
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-055-XML-EN.zip
01.3_2 Choose Matrix Given type (comprehensive) (10)
Authors
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-056-XML-EN.zip
01.4 Choose the Matrix with m rows/ncolumns (all shapes) (10)
Authors
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
Game/Online Exercise
Category
Linear algebra – Matrix calculus
Keywords
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-057-XML-EN.zip
01.5 Finding an element in a Matrix (number) (10)
Authors
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-058-XML-EN.zip
01.6 Finding an element in a Matrix (alphabetical) (10)
Authors
Educational level
Higher Education
Level
hard
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-059-XML-EN.zip
01.7 Identify the position of a (numeric) element (10)
Authors
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-060-XML-EN.zip
01.8 Identify the position of an element (letters) (10)
Authors
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
Matrix, elements of a Matrix, rows and columns
Tags
EngiMath, Gate2Math
File
ENG-061-XML-EN.zip









