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8th Grade Math

Iowa Grade 8 Math

Step-by-step video lessons and practice aligned to the Iowa Grade 8 curriculum

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Iowa Grade 8 Math Help | StudyPugHelp

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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.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 Iowa Grade 8 Math Coverage

LESSONS

59

VIDEOS

413

PRACTICE

390

IA ALIGNED

100%

Why Iowa Families Choose StudyPug for Grade 8

Aligned to Iowa Core Standards and preparing students for high school math success with test-ready practice.

Iowa Core Aligned
Iowa Core Aligned

Every lesson matches Iowa's Grade 8 math standards — from exponents to systems of equations.

High School Ready
High School Ready

Build the algebra and geometry foundation needed for Algebra I and Geometry.

Certified Teachers
Certified Teachers

Learn from experienced math teachers who explain concepts your child's way.

Step-by-Step Solutions
Step-by-Step Solutions

See the complete solution process for every practice problem — no guessing.

Trusted by 12,000+ IA families building math confidence building math confidence

Frequently Asked Questions

Everything your child needs to know about Grade 8 Math with StudyPug

Is StudyPug aligned with the Iowa Grade 8 curriculum?

Yes. StudyPug is fully aligned to Iowa Core Standards for Grade 8 Math. We cover all required topics including exponents, linear equations, systems, functions, the Pythagorean theorem, transformations, and volume. Every lesson matches what your child learns in Iowa classrooms.

What topics are covered in Grade 8 Math?

Grade 8 Math covers exponents and scientific notation, solving linear equations and systems, graphing and interpreting functions, the Pythagorean theorem and distance formula, transformations and similarity, surface area and volume of 3D shapes, and scatter plots with data analysis. StudyPug includes 250+ lessons and 1,200+ videos across all these topics.

How does StudyPug help my Grade 8 child learn math?

StudyPug combines video lessons taught by certified teachers with adaptive practice questions that adjust to your child's level. Students can snap photos of homework problems to find the exact lesson, work through unlimited practice, and track their progress. The step-by-step explanations help them understand why, not just how.

Can my child use StudyPug independently?

Absolutely. StudyPug is designed for independent learning. Grade 8 students can search for topics, watch video lessons, complete practice problems, and check their solutions without parent supervision. You'll receive progress reports showing what they've worked on and where they need help.

Does StudyPug prepare students for Iowa assessments?

Yes. StudyPug's Grade 8 content aligns with Iowa Core Standards and prepares students for state assessments. The practice questions mirror test formats, and the comprehensive coverage ensures your child masters every tested concept from rational numbers to linear functions to geometry.

How much does StudyPug cost?

StudyPug offers flexible monthly and annual plans for unlimited access to all Grade 8 Math content plus every other grade level. Plans start at $19.99/month with discounts for annual subscriptions. One subscription works for your entire family — all your children can use it at the same time.

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