Introduction to algebra | Algebra I | Khan Academy (English)

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Introduction to algebra | Algebra I | Khan Academy
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Lecture 1: Dependent and independent variables exercise: graphing the equation

Lecture 2: How to simplify a big expression by combining like terms

Lecture 3: Dependent and independent variables exercise: express the graph as an equation

Lecture 4: How to simplify an expression by combining like terms and the distributive property

Lecture 5: Unit measurement word problem: running laps (US customary)

Lecture 6: Figuring out units from formula

Lecture 7: Example: Evaluating expressions with 2 variables

Lecture 8: Combining like terms introduction

Lecture 9: Writing algebraic expressions example 2

Lecture 10: Multi-step unit conversion word problem

Lecture 11: Combining like terms, but more complicated

Lecture 12: Adding expressions

Lecture 13: Finding the best deal on pesticides

Lecture 14: Factoring algebraic expressions using the distributive property

Lecture 15: Evaluating an algebraic expression in a word problem

Lecture 16: Writing algebraic expressions word problem

Lecture 17: Expressions with two variables

Lecture 18: Mileage assumption example

Lecture 19: Introduction to the coordinate plane

Lecture 20: Evaluating exponential expressions 2

Lecture 21: How to combine like terms

Lecture 22: How to write expressions with variables

Lecture 23: Equivalent forms of expressions

Lecture 24: Unit conversion word problem: drug dosage

Lecture 25: Why all the letters in algebra?

Lecture 26: How to expand an expressions using the distributive property

Lecture 27: Abstract-ness

Lecture 28: Algebraic expressions with fraction division

Lecture 29: Origins of algebra

Lecture 30: Interpreting linear expressions, 1

Lecture 31: Examples of evaluating variable expressions

Lecture 32: Thinking about reasonable units to describe a rate

Lecture 33: Interpreting linear expressions, 2

Lecture 34: Treating units algebraically and dimensional analysis

Lecture 35: Dependent and independent variables exercise: the basics

Lecture 36: Unit conversion word problem: yards to inches

Lecture 37: The beauty of algebra

Lecture 38: Writing algebraic expressions word problem example 2

Lecture 39: What is a variable?

Lecture 40: Why aren't we using the multiplication sign?

Lecture 41: What are variables, expressions, and equations?

Lecture 42: Algebraic expression adding fractions

Lecture 43: How to write algebraic expressions with parentheses

Lecture 44: Unit conversion word problem: roadtrip

Lecture 45: Writing algebraic expressions example 3