# Math Vocabulary in English | Mathematics Vocabulary Words

Learn useful Math Vocabulary in English with pictures and examples.

## Math Vocabulary in English

### Mathematics Vocabulary Words

#### Straight line

– Draw a straight line across the top of the page.

#### Perpendicular

– The two lines of bones are set perpendicular to one another.

#### Curve

– He drew a line on the paper in a smooth curve.

#### Arc

– The rainbow described an arc in the sky.

#### Circle

– Draw a circle six centimetres in diameter.

– We are measuring the radius of the circle.

#### Diameter

– The diameter measures twice the radius.

#### Section

– The architect drew the house in section.

#### Square

– First of all, draw a square.

#### Rectangle

–  He drew a rectangle on the blackboard.

#### Diagonal

– The diagonal line forms the jabot effect.

#### Right triangle

– A right triangle has a right angle.

#### Oval

– Our table is oval in shape.

#### Center

– A diameter passes through the center of a circle.

#### Whole

– Two halves make a whole.

#### A half (1/2)

– He kept a half of the cake for himself.

#### A quarter (1/4)

– It’s about a page and a quarter.

#### Cube

– How many faces does a cube have?

#### Cylinder

– This is a cylinder.

#### Pyramid

– He drew a pyramid.

#### Cone

– Fold the paper to make the shape of a cone.

#### Parallel lines

– There are three parallel lines.

Math Vocabulary