Learn pre-algebra—all of the basic arithmetic and geometry skills needed for algebra.

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Math: Pre-K - 8th grade; Pre-K through grade 2 (Khan Kids) Early math review; 2nd grade; 3rd grade; 4th grade; 5th grade; 6th grade; 7th grade; 8th grade; Basic geometry and measurement

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Learn eighth grade math—functions, linear equations, geometric transformations, and more. (aligned with Common Core standards)

Domine conceitos de pré-álgebra com as lições interativas e exercícios práticos gratuitos da Khan Academy.

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a …

Pre-algebra - förstudie till algebra; Grundläggande algebra; Grundläggande geometri

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This Arithmetic course is a refresher of place value and operations (addition, subtraction, division, multiplication, and exponents) for whole numbers, fractions, decimals, and integers. If you are …