Pre-algebra | Khan Academy

Khan Academy Pre-Algebra Curriculum Overview

The Pre-algebra course on Khan Academy is structured into 15 comprehensive units covering foundational algebraic concepts, ratios, and functions.

• Unit 1: Factors and Multiples – Covers prime and composite numbers.
• Unit 2: Patterns – Focuses on numerical and shape patterns, expressions with parentheses, and graphing relationships between variables.
• Unit 3: Ratios and Rates – Includes tape diagrams, double number lines, ratio tables, unit rates, and coordinate plane applications.
• Unit 4: Percentages – Covers visualization, conversions between fractions/decimals/percents, and solving percent problems.
• Unit 5: Exponents & Order of Operations – Introduces powers, order of operations, and calculations with fractions and decimals.
• Unit 6: Variables & Expressions – Teaches algebraic expressions, evaluation, distributive property, factoring, and combining like terms.
• Unit 7: Equations & Inequalities Introduction – Uses visual models (tape/hanger diagrams) to solve one-step equations and basic inequalities.
• Unit 8: Percent & Rational Number Word Problems – Application-based unit.
• Unit 9: Proportional Relationships – Explores constants of proportionality, graphing, and writing proportional equations.
• Unit 10: One-step and Two-step Equations & Inequalities – Focuses on negative coefficients, distribution, and multi-step word problems.
• Unit 11: Roots, Exponents, & Scientific Notation – Covers square/cube roots, integer exponents, and scientific notation operations.
• Unit 12: Multi-step Equations – Addresses variables on both sides, parentheses, and determining the number of solutions.
• Unit 13: Two-variable Equations – Introduces intercepts, slope, and slope-intercept form.
• Unit 14: Functions and Linear Models – Covers function evaluation, linear word problems, and distinguishing between linear and nonlinear functions.
• Unit 15: Systems of Equations – Advanced concluding unit.