Basic math glossaryS
Basic math glossaryS 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.

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