Discover a comprehensive list of math-related words starting with the letter “S” to enhance your mathematical vocabulary and understanding.

**Sum-**The total result of adding numbers.**Subtract-**To take one number away from another.**Square-**The product of a number multiplied by itself.**Square Root-**A value that, when multiplied by itself, gives the original number.**Symmetry-**Balanced proportions on either side of a central line.**Scalene Triangle-**A triangle where all sides are of different lengths.**Statistics-**The collection, analysis, interpretation, and presentation of numerical data.**Slope-**The measure of the steepness of a line.**Secant-**A line that intersects a curve at two or more points.**Sequence-**An ordered list of numbers.**Series-**The sum of the terms of a sequence.**Set-**A collection of distinct objects, considered as an object in its own right.**Supplementary Angles-**Two angles that add up to 180 degrees.**Sample-**A subset of a population used to represent the entire group.**Simplify-**To reduce a fraction or expression to its simplest form.**Surd-**An irrational number that can’t be simplified to remove a square root.**Scalar-**A quantity that has only magnitude, not direction.**Sphere-**A perfectly round three-dimensional geometric object.**Standard Deviation-**A measure of the amount of variation or dispersion in a set of values.**Simultaneous Equations-**A set of equations with multiple variables that are solved together.**Segment-**A part of a line that is bounded by two distinct end points.**Sine-**A trigonometric function of an angle, defined as the ratio of the opposite side to the hypotenuse.**Sine Wave-**A smooth, periodic oscillation.**Signed Number-**A number that is either positive or negative.**Significant Figures-**Digits that contribute to the precision of a number.**Supplement Angle-**Another term for supplementary angle.**Skew Lines-**Lines that do not intersect and are not parallel.**Sample Space-**The set of all possible outcomes in a probability experiment.**Scatter Plot-**A graph of plotted points that show the relationship between two sets of data.**Solid-**A three-dimensional object.**Side-**A line segment that forms part of the boundary of a geometrical figure.**Symmetric Matrix-**A square matrix that is equal to its transpose.**Scaling-**Changing the size of an object proportionally in mathematics.**Standard Form-**A way of writing numbers that are too large or too small to be conveniently written in decimal form.**Strict Inequality-**An inequality that does not include equality (e.g., ).**Subitizing-**The ability to quickly identify the number of items in a small group without counting.**Surjective-**A function where every element in the codomain is mapped to by at least one element in the domain.**Supplement-**The amount by which an angle is less than 180 degrees.**Statistical Significance-**A result that is not likely to occur randomly.**Standard Normal Distribution-**A normal distribution with a mean of 0 and a standard deviation of 1.**Step Function-**A function that increases or decreases suddenly at certain points.**Span-**The set of all possible linear combinations of a given set of vectors.**Subspace-**A set of vectors that forms a space that is closed under vector addition and scalar multiplication.**Sample Mean-**The average of a set of sample values.**Sample Median-**The middle value of a set of sample values.**Sample Mode-**The value that appears most frequently in a set of sample values.**Scalar Field-**A field that associates a scalar value to every point in space.**Simpson’s Rule-**A method for numerical integration.**Singular Matrix-**A square matrix that does not have an inverse.**Sigma-**A Greek letter (Σ) often used to represent the sum of a sequence of terms.**Secondary Axis-**An additional set of values plotted on a graph to represent a different scale.- Saddl
**e Point-**A point on a surface which is a minimum in one direction and a maximum in another.**Sample Variance-**A measure of the dispersion of sample values.**Sheaf-**A mathematical structure that associates data to open sets of a topological space.**Simplex-**The generalization of a triangle or tetrahedron to arbitrary dimensions.**Smooth Function-**A function that has derivatives of all orders.**System of Equations-**A set of equations with multiple variables.**Symmetric Group-**The group of all permutations of a set.**Surjective Homomorphism-**A homomorphism that is also a surjective function.**Steiner Tree-**A minimum-length network connecting a given set of points.

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