8th Grade Math Vocabulary
In short: 8th grade math vocabulary: 43 terms on linear equations, functions, exponents, transformations, and the Pythagorean theorem, each explained in simple language with an example to help you read any problem.
Eighth grade prepares students for high school courses, and the 8th grade math vocabulary reflects that: slope, y-intercept, function, scientific notation, irrational number, congruent, dilation, hypotenuse. This page explains each one in a sentence or two and ties it to an example you could draw or calculate on scratch paper.
Keep it beside you while you solve a worksheet on linear equations or transformations, and look up any word that slows you down. Before a unit assessment, printing the list lets you mark the terms you can explain aloud. Those are secure; the others deserve another look tonight.
43 words on this page, each with a definition, a figure, a solved example and two quick questions.
8th Grade Math Vocabulary: the full list
Numbers and Operations
- Cube Root
- Exponent Rules
- Irrational Number
- Negative Exponent
- Perfect Square
- Real Numbers
- Scientific Notation
- Square Root
- Zero Exponent
Algebra
Functions and Graphs
- Function
- Linear Function
- Nonlinear Function
- Rate of Change
- Slope
- Slope Formula
- Slope-Intercept Form
- Y-Intercept
Geometry
- Alternate Interior Angles
- Congruent Figures
- Corresponding Angles
- Dilation
- Distance Formula
- Exterior Angle Theorem
- Hypotenuse
- Pythagorean Theorem
- Pythagorean Triple
- Reflection (Geometry)
- Rotation (Geometry)
- Similar Figures
- Translation (Geometry)
- Transversal
- Triangle Angle Sum Theorem
- Volume of a Cone
- Volume of a Cylinder
- Volume of a Sphere