Grade 8 Topics The year algebra begins in earnest — real numbers, exponents, roots, linear equations and functions, and the data that lives on a graph. Each topic is taught from the ground up with interactive, self-checking lessons.
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The course — 7 topics, in order
01 The Real Number System Rational vs. irrational numbers, terminating and repeating decimals, classifying the real numbers, and placing any number on the line. 6 lessons 02 Exponents & Scientific Notation The laws of exponents, zero and negative powers, and writing huge and tiny numbers in scientific notation. 6 lessons 03 Square & Cube Roots Square roots and cube roots, perfect squares and cubes, and solving equations like x² = 49 and x³ = 8. 6 lessons 04 Linear Equations Multi-step equations, variables on both sides, and equations with no solution or infinitely many. 6 lessons 05 Linear Functions Slope and rate of change, y = mx + b, and reading a line four ways: table, graph, equation, and words. 6 lessons 06 Systems of Linear Equations Two lines at once — solving by graphing, substitution, and elimination, and what the intersection means. 6 lessons 07 Scatter Plots & Bivariate Data Plotting paired data, spotting correlation, fitting a trend line, and reading two-way tables. 6 lessons