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Math Dictionary

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This Mathematical Dictionary is a joint product of students who worked on the international eTwinning project "WIM - World In Math" during the school year 2020/2021.

It contains a number of mathematical concepts that we used during our work. On each page there is a collection of concepts related to a certain mathematical topic. If you click on the appropriate link, you can read, but also hear how certain terms sound in Croatian, Serbian, Slovenian, Spanish, Greek, Italian, Turkish or Romanian language.

It contains a number of mathematical concepts that we used during our work. On each page there is a collection of concepts related to a certain mathematical topic. If you click on the appropriate link, you can read, but also hear how certain terms sound in Croatian, Serbian, Slovenian, Spanish, Greek, Italian, Turkish or Romanian language.

This Mathematical Dictionary is a joint product of students who worked on the international eTwinning project "WIM - World In Math" during the school year 2020/2021.

It contains a number of mathematical concepts that we used during our work. On each page there is a collection of concepts related to a certain mathematical topic. If you click on the appropriate link, you can read, but also hear how certain terms sound in Croatian, Serbian, Slovenian, Spanish, Greek, Italian, Turkish or Romanian language.

It contains a number of mathematical concepts that we used during our work. On each page there is a collection of concepts related to a certain mathematical topic. If you click on the appropriate link, you can read, but also hear how certain terms sound in Croatian, Serbian, Slovenian, Spanish, Greek, Italian, Turkish or Romanian language.

**Straight lines; Points**

- Point

- Collinear points

- Non-collinear points

- Line

- Parallel lines

- Perpendicular lines

- Skew lines

- Length

- Plane

**TABLE OF CONTENT**

**Polygons**

- Polygon

- Sides

- Vertex

- Diagonal

- Convex polygon

- Nonconvex polygon

- Regular polygon

- Triangle

- Square

- Rectangle

- Pentagon

- Hexagon

- Perimeter

- Area

**Circles and spheres**

- Radius

- Diameter

- Area

- Circumference

- Chord

- Tangent

- Sector

- Segment

- Semicircle

- Concentric circles

**Central and axial symmetry**

- Symmetry

- Plane

- Central symmetry

- Axial symmetry

- Translation

- Rotation

- Mirroring

- Axis

- Identical mapping

- Homothety

**TABLE OF CONTENT**

**Circles and spheres**

- Radius

- Diameter

- Area

- Circumference

- Chord

- Tangent

- Sector

- Segment

- Semicircle

- Concentric circles

**Number line and Cartesian coordinate system**

- Number lines

- Coordinates

- Axis

- Ordered pairs

- Cartesian coordinate system

- Quadrants

- Graph

**Central and axial symmetry**

- Symmetry

- Plane

- Central symmetry

- Axial symmetry

- Translation

- Rotation

- Mirroring

- Axis

- Identical mapping

- Homothety

**Fractions, percentages, proportions, data processing**

- Fractions

- Numerator

- Denominator

- Percentages

- Reciprocals

- Mixed fractions

- Proportions

- Decimals