Basic math glossary-S

Basic math glossary-S define words beginning with the letter S

Sale price: Price paid for an item after the price is reduced.

Sales tax: Tax paid when bying an item.

Scale: The ratio of the actual size to the size on a map.

Scale drawing: Shrinking or enlarging the actual size of an object.

Scalene triangle: A triangle with no equal sides.

Scattergram: Also known as scatter plot, it is the set of points plotted on a coordinate system whose coordinates represent the values of two variables.

Scientific notation: A number between one and 10 multiplied by a power of ten

Secant of a circle: A line that intersects a circle in exactly two points

Sector: A part of a circle bounded by two radii.

Segment: A line with a beginning point and an endpoint.

Simplest form: A fraction in which the numerator and the denominator have been reduced until there is no common factor bigger than one between them.

Simplify: To express in simplest form.

Skew lines: Lines in space that are not on the same plane (or are not coplanar) and never meet.

Sphere: A solid figure that has a curved surface like a soccer ball in which all points on the surface are at the same distance from the center. Examples of sphere are the earth, a soccer ball, a ping pong ball, etc...

Sprocket: A wheel that has teeth and pulling a chain.

Square: A rectangle with 4 equal sides.

Square unit: A measure of area.

Straight angle: An angle that measures 180 degrees. A straight angle looks like a straight line

Subtraction: The arithmetic operation of taking away an amount from another to get the difference.

Sum: The answer to an addition problem.




Recent Articles

  1. How to Derive the Equation of an Ellipse Centered at the Origin

    Mar 13, 19 11:50 AM

    Learn how to derive the equation of an ellipse when the center of the ellipse is at the origin.

    Read More

New math lessons

Your email is safe with us. We will only use it to inform you about new math lessons.

            Follow me on Pinterest


Math quizzes

 Recommended

Scientific Notation Quiz

Graphing Slope Quiz

Adding and Subtracting Matrices Quiz  

Factoring Trinomials Quiz 

Solving Absolute Value Equations Quiz  

Order of Operations Quiz

Types of angles quiz


Tough algebra word problems

Tough Algebra Word Problems.

If you can solve these problems with no help, you must be a genius!

Recent Articles

  1. How to Derive the Equation of an Ellipse Centered at the Origin

    Mar 13, 19 11:50 AM

    Learn how to derive the equation of an ellipse when the center of the ellipse is at the origin.

    Read More

K-12 math tests


Everything you need to prepare for an important exam!

K-12 tests, GED math test, basic math tests, geometry tests, algebra tests. 

Real Life Math Skills

Learn about investing money, budgeting your money, paying taxes, mortgage loans, and even the math involved in playing baseball.