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8th Grade Math

Tennessee 8th Grade Math

Watch algebra videos, practice with equations and geometric proofs

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My daughter went from a C+ to an A- in algebra within two months. The video explanations made functions finally click for her.

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Tennessee 8th Grade Math Help | Build Strong SkillsHelp

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ID

Standard

StudyPug Topic

8.NS.A.1

Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.

8.NS.A.2

Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions (e.g., π2).

8.EE.A.2

Use square root and cube root symbols to represent solutions to equations of the form x2 = p and x3 = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational.

8.EE.A.3

Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other.

8.EE.B.5

Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways.

8.EE.B.6

Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y = mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b.

8.F.A.1

Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.

8.F.A.2

Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions).

8.F.B.4

Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.

8.F.B.5

Describe qualitatively the functional relationship between two quantities by analyzing a graph (e.g., where the function is increasing or decreasing, linear or nonlinear). Sketch a graph that exhibits the qualitative features of a function that has been described verbally.

8.G.A.1

Verify experimentally the properties of rotations, reflections, and translations.

8.G.A.2

Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations; given two congruent figures, describe a sequence that exhibits the congruence between them.

8.G.A.3

Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.

8.G.A.4

Understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, translations, and dilations; given two similar two-dimensional figures, describe a sequence that exhibits the similarity between them.

8.G.A.5

Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles.

8.G.B.6

Explain a proof of the Pythagorean Theorem and its converse.

8.G.B.7

Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.

8.G.B.8

Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.

8.G.C.9

Know the formulas for the volumes of cones, cylinders, and spheres and use them to solve real-world and mathematical problems.

8.SP.A.1

Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities. Describe patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association.

8.SP.A.2

Know that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line.
Complete Tennessee 8th Grade Math Coverage

8th Grade Math Lessons

60

Video Explanations

413

Practice Problems

390

Tennessee Standards

100% Aligned

Why Tennessee Families Choose StudyPug

TCAP Prep

TCAP Prep

Practice questions match the real TCAP format

Certified Teachers

Certified Teachers

Certified teachers who know your standards

Step-by-Step Solutions

Step-by-Step Solutions

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Success Stories

Three weeks before TCAP, he was panicking about functions. StudyPug's practice problems brought his confidence back just in time.

Robert T.

The Pythagorean theorem section saved us. My son finally understood it through the video examples and now helps his classmates.

Maya P.

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Common Questions About 8th Grade Math Help

Everything Tennessee parents need to know about online math support

How does StudyPug align with Tennessee 8th grade math standards?

Our curriculum covers all Tennessee Academic Standards for 8th grade math, including algebra, functions, geometry, and data analysis. Every lesson aligns with TCAP requirements.

Will this help my child prepare for the TCAP test?

Yes. Our practice problems match TCAP format and cover all tested standards. Students get experience with question types they'll see on the actual assessment.

What algebra topics are covered in 8th grade?

We cover linear equations, systems of equations, functions, slope, graphing, and the relationship between algebraic and geometric representations.

How much time should my child spend on StudyPug each week?

Most students see progress with 30-45 minutes, 3-4 times per week. The adaptive practice adjusts to their pace and focuses on areas needing improvement.

Can StudyPug help if my child is behind in math?

Absolutely. The diagnostic assessment identifies gaps, then builds a personalized plan. Students can review earlier concepts while working on grade-level material.

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