Table of Contents

Below are common math words that start with s.

- Set
- Square
- Summation
- Subtraction
- Symmetry
- Slope
- System
- Statistics
- Sequence
- Square root
- Sphere
- Surface
- Similarity
- Solution
- Symmetric
- Subspace
- Scalar
- Segment
- Sine
- Subscript
- Slope-intercept
- Solid
- Sigma notation
- Slope formula
- Sector
- Symmetric matrix
- Subgroup
- Skewness
- Standard deviation
- Square matrix
- Surd
- Sum of squares
- Sample
- Surface area
- Symmetric difference
- Set theory
- Simultaneous equations
- Secant
- Skew lines
- Scatter plot
- Sinusoidal
- Sine rule
- Subarray
- Statistician
- Signum function
- Supplementary angles
- Stereometry
- Slope of a line
- Saddle point
- Spherical coordinates

**Scalene Triangle:**Triangle with no equal sides.**Square:**Quadrilateral with equal sides and right angles.**Similarity:**Objects having the same shape but not size.**Sphere:**Three-dimensional round object with all points equidistant from the center.**Symmetry:**Balanced arrangement of parts around a central point.**Surface Area:**Total area of a shape’s external surfaces.**Secant Line:**Line intersecting a curve at more than one point.**Sine:**Trigonometric function relating side length to angle.**Slant Height:**Distance from base to top along the lateral surface.**Solid Geometry:**Study of three-dimensional shapes and their properties.

**Slope:**Steepness of a line, the ratio of vertical change to horizontal change.**Substitution:**Replacing variables with specific values in an equation.**Solving:**Finding solutions to equations or systems of equations.**Sine:**Trigonometric function relating a triangle’s side lengths.**Summation:**Adding up a sequence of numbers.**Simplify:**Reduce an expression or equation to a simpler form.**System of Equations:**Set of equations with shared variables.**Symmetry:**Shape remains unchanged after a transformation.**Sample Space:**Set of all possible outcomes in a probability experiment.**Scalar:**Single quantity without direction (as opposed to a vector).

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