可汗学院数学8年级预备课程 - 初中2年级 - 在线视频课堂

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可汗学院数学8年级预备课程 - 初中2年级

人气 6081 已有 95 人在学

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8th_Grade_Get_Ready_for_Grade_Level 76课时0秒

免费 Decimal to simplified fraction (00:00)

免费 Fraction to decimal (00:00)

免费 Fraction to decimal example (00:00)

免费 Fraction to decimal with rounding (00:00)

免费 Introduction to exponents (00:00)

免费 The zeroth power (00:00)

免费 Comparing exponent expressions (00:00)

免费 Exponents of decimals (00:00)

免费 Powers of fractions (00:00)

免费 Evaluating exponent expressions with variables (00:00)

免费 Order of operations examples: exponents (00:00)

免费 Order of operations example (00:00)

免费 Order of operations: PEMDAS (00:00)

免费 Order of operations example: putting it all together (00:00)

免费 Introduction to powers of 10 (00:00)

免费 Powers of 10: patterns (00:00)

免费 Multiplying and dividing by powers of 10 (00:00)

免费 Exponents and powers of zero patterns (00:00)

免费 Fractions as division by power of 10 (00:00)

免费 Estimating decimal multiplication (00:00)

免费 Approximating dividing by decimals (00:00)

免费 How to test solutions to equations using substitution (00:00)

免费 How to solve one-step equations (00:00)

免费 Example of solving a one-step equation (00:00)

免费 How to solve equations of the form ax = b (00:00)

免费 How to solve equations of the form x/a = b (00:00)

免费 Combining like terms introduction (00:00)

免费 Combining like terms, but more complicated (00:00)

免费 Examples of simplifying expressions involving rational numbers (00:00)

免费 Factoring algebraic expressions using the distributive property (00:00)

免费 Example 1: Factor a linear binomial by taking a common factor (00:00)

免费 How to simplify an expression by combining like terms and the distributive property (00:00)

免费 Equivalent expressions with distribution and negative numbers (00:00)

免费 Why we do the same thing to both sides of equations (00:00)

免费 Solving two-step equations (00:00)

免费 Solving a more complicated equation (00:00)

免费 Example: two-step equation with numerator x (00:00)

免费 How to solve two-step equations with decimals and fractions (00:00)

免费 Example: two-step equations (00:00)

免费 Mistakes in solving equations (00:00)

免费 Introduction to proportional relationships (00:00)

免费 Identifying constant of proportionality graphically (00:00)

免费 Constant of proportionality from graph (00:00)

免费 Identifying the constant of proportionality from equation (00:00)

免费 Constant of proportionality from equation (00:00)

免费 Constant of proportionality from tables (00:00)

免费 Proportionality constant from table (00:00)

免费 Comparing constants of proportionality (00:00)

免费 Comparing proportionality constants (00:00)

免费 Interpret proportionality constants (00:00)

免费 Introduction to proportional relationships (00:00)

免费 Movie ticket proportionality (00:00)

免费 Banana proportionality (00:00)

免费 Identifying a proportional relationship from a table (example) (00:00)

免费 Proportional relationships example (00:00)

免费 Testing whether area is proportional to side length (00:00)

免费 Proportionality between side length and perimeter (00:00)

免费 Identifying proportional relationships from graphs (00:00)

免费 How to visually identify proportional relationships using graphs (00:00)

免费 Interpreting graphs of proportional relationships (00:00)

免费 Equations of proportional relationships (00:00)

免费 Writing an equation for a proportional relationship (example) (00:00)

免费 Writing proportional equations (00:00)

免费 Coordinate plane: word problem exercise (00:00)

免费 Quadrilateral on the coordinate plane (00:00)

免费 Area of parallelogram on coordinate plane (00:00)

免费 Finding coordinates of missing vertex example (00:00)

免费 Example of shapes on a coordinate plane (00:00)

免费 Dimensions of rectangle from coordinates example (00:00)

免费 Coordinates of rectangle example (00:00)

免费 Parallelogram on the coordinate plane (00:00)

免费 Find measure of vertical angles (00:00)

免费 Find measure of angles in a word problem (00:00)

免费 Find measure of complementary angles (00:00)

免费 Find measure of supplementary angles (00:00)

免费 Find measure of vertical angles (00:00)

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