Math Vocabulary Words and Mathematical Terms in English

Math Vocabulary! List of ESL Math vocabulary words and Math terms in English with pictures. Many people work in a job where some sort of mathematical knowledge or speech is required. If you are working with native English speakers, it is important that you can effectively convey what you mean when referring to math.

There are many uses for math vocabulary in your general conversations as well, things as simple as shopping may require basic math and in this section, you will learn all the vocabulary you will need to talk about math in English.

Math Vocabulary/ Math Terms

List of Mathematics Vocabulary Words

  • Straight line
  • Perpendicular
  • Curve
  • Arc
  • Circle
  • Radius
  • Diameter
  • Section
  • Square
  • Rectangle
  • Diagonal
  • Right triangle
  • Oval
  • Center
  • Whole
  • A half (1/2)
  • A quarter (1/4)
  • Cube
  • Cylinder
  • Pyramid
  • Cone
  • Parallel lines

Math Vocabulary - Mathematical Terms in English

Math Vocabulary Words with Examples and Pictures

These useful Mathematical terms with video lessons help English students and ESL learners improve their English vocabulary.

Straight line

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


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


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


– The rainbow described an arc in the sky.


– Draw a circle six centimetres in diameter.


– We are measuring the radius of the circle.


– The diameter measures twice the radius.


– The architect drew the house in section.


– First of all, draw a square.



–  He drew a rectangle on the blackboard.


– The diagonal line forms the jabot effect.

Right triangle

– A right triangle has a right angle.


– Our table is oval in shape.


– A diameter passes through the center of a circle.


– 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.


– How many faces does a cube have?


– This is a cylinder.


– He drew a pyramid.


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

Parallel lines

– There are three parallel lines.

Math Vocabulary Words in English | Picture

Math Vocabulary Words in English | Picture

Mathematics Symbols Vocabulary

Mathematics is used to communicate information about a wide range of different subjects.

This is a list of common Math symbols found in all branches of mathematics to express a formula or to represent a constant.

  • Addition
  • Subtraction
  • Multiplication
  • Division
  • Plus-minus
  • Strict inequality
  • Equality
  • Inequation
  • Tilde
  • Congruence
  • Infinity
  • Inequality
  • Material equivalence
  • Material implication
  • Theta
  • Empty set
  • Triangle or delta
  • For all
  • Pi constant
  • Integral
  • Intersection
  • Union
  • Factorial
  • Therefore
  • Square root
  • Perpendicular
  • Exists
  • Line
  • Line segment
  • Ray
  • Right angle
  • Angle
  • Summation
  • Braces (grouping)
  • Brackets
  • Parentheses (grouping)

Mathematics Symbols Chart

Mathematics Symbols Chart

Geometric Lines Names

Here are some basic lines in geometry.

  • Straight
  • Diagonal
  • Vertical
  • Parallel lines
  • Curved
  • Horizontal
  • Dotted
  • Wavy
  • Zigzag

Lines Vocabulary in English | Image

Geometric Lines Names

Hundreds Chart: Numbers 1-100 Counting Chart

Numbers are the words or symbols that we use to count quantity.

The symbols that we use for numbers today (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) are called Arabic numerals.

Learn how to count 1-100 with useful hundreds chart and examples. 

Hundreds Chart: Numbers 1-100 Counting Chart

Number Chart: How to Write Numbers in Words

A number is a mathematical object used to count, measure, and label.

Learn this number chart which explains in details how to say and write different numbers in words. 

Number Chart: How to Write Numbers in Words

Math Vocabulary Videos

MATH Symbols: Useful List of Mathematical Symbols in English with American English Pronunciation.

Math Vocabulary: Learn Mathematics Vocabulary Words in English with American English Pronunciation.


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2 years ago

Thanks to all 7ESL staff.
How can I learn the correct pronunciation of these words? Thanks

1 year ago
Reply to  A.Rajabi

there is a video at the end

2 years ago

How can I learn the correct pronunciation of these words? Like a Native American? Thanks

2 years ago

nice sir, ur all concept easily unnderstand

Abbi Vallance
Abbi Vallance
1 year ago

We say 3 quarters not 3 fourths.

Hotmaria Simarmata
Hotmaria Simarmata
6 months ago

Very good. Helpul

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