Grade 8 Math Practice

Students distinguish rational and irrational numbers, approximate roots, and locate values on the number line.

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Students evaluate roots of perfect squares and cubes and solve simple radical equations.

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Students use exponents and scientific notation to compare quantities by orders of magnitude.

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Students simplify exponential expressions and perform operations with scientific notation.

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Students compare proportional and non-proportional linear relationships and interpret slope as unit rate.

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Students compute slope multiple ways and explain why slope is constant using similar triangles.

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Students write and interpret linear equations in slope-intercept form from multiple representations.

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Students solve 2×2 linear systems algebraically and graphically and interpret solutions.

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Students create and solve linear models for multi-condition real-world contexts.

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Students identify functions, use function notation, and compare functions in tables, graphs, and equations.

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Students determine congruence using translations, rotations, and reflections.

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Students determine similarity, use scale factors, and solve problems with similar figures.

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Students establish and use angle relationships formed by parallel lines cut by transversals to solve and justify.

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Students apply the Pythagorean theorem to find missing sides and distances in the coordinate plane.

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Students compute volumes of cylinders, cones, and spheres and solve application problems.

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Students interpret scatter plots, describe associations, and use informal best-fit lines.

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Students construct and interpret two-way tables for bivariate categorical data and analyze associations with relative frequencies.

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Students identify qualitative nonlinear patterns and contrast them with linear models using graphs and tables.

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