Expressions with rational exponents and radicals (Khan Academy)

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Learn about expressions with rational exponents like x^(2/3), about radical expressions like √(2t^5), and about the relationship between these two forms of representation. Learn how to evaluate and simplify such expression. (1) Introduction to rational exponents and radicals Intro to rational exponents Radicals and exponents Rational exponents: unit fractions Rewriting roots as rational exponents Evaluating […]

Sequences (Khan Academy)

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Learn about the various ways in which we can define sequences; Use and construct arithmetic and geometric sequences. (1) Introduction to sequences Intro to sequences Evaluating sequences in recursive form Evaluate sequences in recursive form (2) Introduction to arithmetic squences Intro to arithmetic sequences Intro to arithmetic sequences Extending arithmetic sequences Extend arithmetic sequences Intro […]

Two-variable linear equations (Khan Academy)

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Learn about linear equations that contain two variables, and how these can be represented by graphical lines and tables of values. (1) Ordered-pair solutions to two-variable linear equations 2-variable linear equations & their graphs Solutions to 2-variable equations Solutions to 2-variable equations Solutions to 2-variable equations Graphing a linear equation: 5x+2y=20 Completing solutions to 2-variable […]

Fractions (Khan Academy)

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Understanding fractions conceptually, using operations with fractions, and converting fractions. (1) Understanding fractions Introduction to fractions Identifying fraction parts Recognizing fractions exercise Recognize fractions 1 Identifying numerators and denominators Identify numerators and denominators Plotting basic fractions on the number line Fractions on the number line Fraction word problem: pizza Add and subtract fractions: word problems […]

Decimals (Khan Academy)

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Understanding decimals conceptually, using operations with decimals, rounding and estimating with decimals, and converting decimals. (1) Conceptualizing decimals and place notation Decimal place value Decimals in written form 1 Decimals in written form 2 Decimals in expanded form 1 Decimals in expanded form 2 Decimals in expanded form Comparing decimal place values Compare decimal place […]

Linear equations and functions (Khan Academy)

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Linear equations like y = 2x + 7 are called “linear” because they make a straight line when we graph them. These tutorials introduce you to linear relationships, their graphs, and functions. (1) Graphing proportional relationships Rates & proportional relationships example Rates & proportional relationships: gas mileage Rates & proportional relationships Graphing proportional relationships: unit […]

Numbers and operations (Khan Academy)

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Math is all about numbers (like 89 and 3.14) and operations (like addition and multiplication). In these tutorials, we learn about a some new types of numbers and some new types of operations. (1) Repeating decimals Converting a fraction to a repeating decimal Writing fractions as repeating decimals Converting repeating decimals to fractions (part 1 […]

Fractions, decimals, & percentages (Khan Academy)

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In these tutorials, we’ll explore the number system. We’ll convert fractions to decimals, operate on numbers in different forms, meet complex fractions, and identify types of numbers. We’ll also solve interesting word problems involving percentages (discounts, taxes, and tip calculations). (1) Converting fractions to decimals Decimal to simplified fraction Rewrite decimals as fractions Rewriting decimals […]

Ratios, rates, & percentages (Khan Academy)

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Ratios, rates, and percentages are some of the most useful math concepts in real life (and what is REAL life anyway, huh?). From baking recipes to sports, these concepts wiggle their way into our lives on a daily basis. (1) Intro to ratios Intro to ratios Intro to ratios Ratios as fractions Basic ratios Ratio […]

Measurement and data (Khan Academy)

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If you think about it, we measure almost everything: time, distance, size, weight, volume, etc. Every THING can be measured. The question is, what unit of measurement is used and how is that unit constructed, compared, and converted? This last part is what we explore in these tutorials. (1) Volume intro Intro to volume Measuring […]

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