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Pre-Algebra
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The Tools of Algebra
Expressions and Variables
Evaluating Expressions
How Do You Use the Order of Operations?
How Do You Complete a Table By Plugging in Values?
How Do You Evaluate an Algebraic Expression?
How Do You Plug Variables into an Algebraic Expression?
How Do You Evaluate an Algebraic Expression with Two Variables?
What Are Numerical and Algebraic Expressions?
What's the Order of Operations?
How Do You Evaluate an Algebraic Expression with One Variable?
What is the Substitution Property of Equality?
What is a Variable?
Translating Between Words and Math
How Do You Translate Phrases into Numerical Expressions?
How Do You Determine Which Operations to Use in a Word Problem?
How Do You Write and Solve an Equation From a Word Problem?
What are Some Words You Can Use to Write Word Problems?
How Do You Write an Equation From a Word Problem?
How Do You Translate a Phrase with One Variable and Number Into a Mathematical Expression?
Properties of Numbers
Commutative Associative and Identity Properties
What are the Multiplication Properties of 0 and -1?
What is an Identity?
What is the Associative Property?
What is the Commutative Property?
Ordered Pairs, Relations, and the Coordinate Plane
Ordered Pairs and The Coordinate Plane
What is the Origin?
What is the X-Coordinate?
How Do You Graph Points in the Coordinate Plane?
What is the Y-Axis?
What is the Coordinate Plane?
What is the Y-Coordinate?
How Do You Graph a Linear Equation?
What is an Ordered Pair?
How Do You Identify Points on a Graph?
How Do You Determine if an Ordered Pair is a Solution to an Equation?
How Do You Graph Ordered Pairs in Each Quadrant?
What is the X-Axis?
What are Quadrants in the Coordinate Plane?
Relations
What is the Domain of a Relation?
What is the Range of a Relation?
How Do You Find the Domain and Range of a Relation?
How Do You Graph a Relation From a Table?
What is a Relation?
Integers and Absolute Value
Working with Integers
How Do You Put Integers in Order Using a Number Line?
What is the Number Line?
What's an Integer?
What are Positive and Negative Numbers?
How Do You Compare Integers Using a Number Line?
What is the Opposite, or Additive Inverse, of a Number?
How Do You Graph a Set on a Number Line?
What's an Inequality?
Absolute Value
What Does Absolute Value Mean In the Real World?
What is Absolute Value?
How Do You Find the Absolute Value of Positive and Negative Numbers?
Adding and Subtracting Integers
Adding Integers
How Do You Add Two Negative Numbers?
How Do You Add Integers Using a Number Line?
How Do You Add a Negative Number to a Positive Number?
What are the Inverse Properties of Addition and Multiplication?
What are the Rules for Using Absolute Values to Add Integers?
Subtracting Integers
How Do You Subtract a Negative Number from a Positive Number?
How Do You Subtract Integers Using a Number Line?
How Do You Subtract a Positive Number from a Negative Number?
How Do You Rewrite Subtraction as Addition?
How Do You Add and Subtract a Bunch of Numbers with Different Signs?
Multiplying and Dividing Integers
Multiplying Integers
How Do You Do Long Multiplication?
What is Multiplication?
Dividing Integers
What is Division?
What's a Dividend and What's a Divisor?
How Do You Figure Out the Sign of a Product or Quotient?
Why Can't You Divide By 0?
How Do You Multiply and Divide Numbers with Different Signs?
How Do You Do Long Division?
Solving One- and Two-Step Equations
The Distributive Property
Using the Distributive Property
How Do You Use the Distributive Property?
How Do You Use the Distributive Property to Rewrite and Solve an Addition Problem?
What is the Distributive Property?
Simplifying Algebraic Expressions
Simplifying Expressions
What are Like Terms?
What is Simplest Form?
What is a Constant?
How Do You Simplify an Expression?
What's a Coefficient?
How Do You Add Variables that Are the Same?
How Do You Subtract Like Terms?
What is a Term in a Polynomial?
How Do You Add Like Terms?
Variables and Equations
Working With Equations
How Do You Solve an Equation by Guessing and Checking?
What is a Solution to an Equation?
What is an Equation?
Solving Equations by Adding or Subtracting
Solving Equations by Adding
What are Inverse Operations?
What's the Addition Property of Equality?
How Do You Solve an Equation Using Addition?
How Do You Solve a Word Problem with an Equation Using Addition?
Solving Equations by Subtracting
What's the Subtraction Property of Equality?
How Do You Solve a Word Problem with an Equation Using Subtraction?
How Do You Solve an Equation Using Subtraction?
Solving Equations by Multiplying or Dividing
Solving Equations by Multiplying
What's the Multiplication Property of Equality?
How Do You Solve an Equation Using Multiplication?
How Do You Solve a Word Problem with an Equation Using Multiplication?
Solving Equations by Dividing
What's the Division Property of Equality?
How Do You Solve a Word Problem with an Equation Using Division?
How Do You Solve an Equation Using Division?
Two-Step Equations
Solving Two-Step Equations
How Do You Solve a Two-Step Equation With a Negative Variable Term?
How Do You Solve a Two-Step Equation?
How Do You Solve a Two-Step Equation by Multiplying by -1 First?
How Do You Solve a Two-Step Equation by Combining Like Terms?
How Do You Solve a Two-Step Equation by Multiplying by -1?
Multi-Step Equations and Inequalities
Multi-Step Equations
Solving Multi-Step Equations
How Do You Solve a Multi-Step Equation Using Reverse Order of Operations?
How Do You Solve a Word Problem Using a Multi-Step Equation?
How Do You Solve a Multi-Step Equation by Simplifying Before Solving?
Consecutive Numbers
How Do You Use an Equation with Consecutive Numbers to Solve a Word Problem?
What are Consecutive Numbers?
Equations with Variables on Both Sides
Solving Equations with Variables on Both Sides
How Do You Solve an Equation with Variables on Both Sides?
How Do You Solve a Word Problem Using an Equation With Variables on Both Sides?
How Do You Solve an Equation with Variables on Both Sides and Grouping Symbols?
Identity Equations and Equations with No Solution
How Do You Solve an Identity Equation?
What Does it Mean When An Equation Has No Solution?
What is an Identity Equation?
How Do You Solve an Equation with No Solution?
Inequalities and their Graphs
Defining Inequalities
What Are Some Words We Use To Write Inequalities?
What's an Inequality?
How Do You Determine if a Value is a Solution to an Inequality?
Graphs of Inequalities
How Do You Graph an Inequality on a Number Line?
How Do You Write an Inequality from a Number Line Graph?
Solving Inequalities by Adding and Subtracting
Solving Inequalities by Adding
What's the Addition Property of Inequality?
How Do You Solve a Word Problem by Solving an Inequality Using Addition?
How Do You Solve an Inequality Using Addition?
Solving Inequalities by Subtracting
How Do You Solve an Inequality Using Subtraction?
How Do You Solve a One-Step Inequality Using Subtraction?
What's the Subtraction Property of Inequality?
How Do You Solve a Word Problem by Solving an Inequality Using Subtraction?
Solving Inequalities by Multiplying and Dividing
Solving Inequalities by Multiplying
What's the Multiplication Property of Inequality?
How Do You Solve an Inequality Word Problem by Multiplying by a Positive Number?
How Do You Solve an Inequality by Multiplying by a Negative Number?
How Do You Solve an Inequality Word Problem by Multiplying by a Negative Number?
How Do You Solve an Inequality by Multiplying by a Positive Number?
Solving Inequalities by Dividing
How Do You Solve an Inequality by Dividing by a Negative Number?
What's the Division Property of Inequality?
How Do You Solve an Inequality Word Problem by Dividing by a Negative Number?
How Do You Solve an Inequality by Dividing by a Positive Number?
How Do You Solve an Inequality Word Problem by Dividing by a Positive Number?
Multi-Step Inequalities
Solving Multi-Step Inequalities
How Do You Solve an Inequality With Variables on Both Sides?
How Do You Solve a Multi-Step Inequality?
How Do You Solve a Word Problem With an Inequality With Variables on Both Sides?
How Do You Solve and Graph a Two-Step Inequality?
Formulas
Solving for a Variable
How Do You Solve For a Variable In Terms Of Another Variable?
What is a Literal Equation?
How Do You Solve a Formula For a Variable?
Using Formulas
How Do You Figure Out the Rate Traveled if You Know Distance and Time?
How Do You Convert a Temperature from Fahrenheit to Celsius?
What is the Formula Connecting Distance, Rate, and Time?
How Do You Figure Out Time if You Know Distance and Speed?
How Do You Convert a Temperature from Celsius to Fahrenheit?
Factors, Fractions, and Exponents
Divisibility and Factors
Divisibility
How Do You Know if a Number is Divisible by 2, 3, 5, 6, or 10?
How Do You Check if a Number is Divisible by 2, 3, 5, 6, and 10?
What Does Divisibility Mean?
Factors and Monomials
What's a Monomial?
How Do You Find the Factors of a Monomial?
How Do You Find All the Factors of a Number?
What is a Factor?
Prime Factorization and Greatest Common Factor
Prime Factorization
What's Another Definition for Prime and Composite Numbers?
How Do You Find the Prime Factorization of a Number Using a Tree?
What's a Prime Number?
Greatest Common Factor
How Do You Find the Greatest Common Factor of Two Numbers by Listing Their Factors?
How Do You Find the Greatest Common Factor of Monomials?
What is a Greatest Common Factor?
How Do You Find the Greatest Common Factor of Two Numbers Using Prime Factorization?
How Do You Find the Greatest Common Factor of Three Numbers?
How Do You Find the Greatest Common Factor If There are No Common Factors?
How Do You Factor a Greatest Common Factor Out of an Expression?
Simplifying Fractions
Finding Equivalent Fractions
How Do You Reduce A Fraction?
What are Equivalent Fractions?
What is Simplest Form of a Fraction?
Simplifying Algebraic Fractions
What's an Algebraic Fraction?
How Do You Simplify an Algebraic Fraction by Canceling Common Factors?
Least Common Multiple
Multiples and Common Multiples
What is a Multiple?
How Do You Find the Least Common Multiple of Monomials?
What is a Common Multiple and Least Common Multiple?
How Do You Find the Least Common Multiple by Listing Common Multiples?
How Do You Find the Least Common Multiple by Multiplying Common Factors?
Least Common Denominator
How Do You Put Fractions in Order Using an LCD?
How Do You Find a Common Denominator and a Least Common Denominator?
How Do You Compare Fractions by Finding a Common Denominator?
Powers and Exponents
Working with Exponents
What is an Exponent?
How Do You Evaluate an Exponent?
How Do You Evaluate an Expression with Exponents?
How Do You Convert a Number in Exponential Form into Expanded Form?
How Do You Convert a Number in Expanded Form into Exponential Form?
Properties of Exponents
Rules of Exponents
What's the Power of a Quotient Rule?
What's the Power of a Power Rule?
What's the Product of Powers Rule?
What's the Power of a Product Rule?
What's the Quotient of Powers Rule?
How Do You Find the Product of Powers with Variables?
How Do You Find the Product of Powers with Numbers?
How Do You Find the Quotient of Powers with Variables?
How Do You Find the Quotient of Powers with Numbers?
How Do You Take a Power to a Power with Numbers?
How Do You Take the Power of a Product with Numbers?
How Do You Take the Power of a Quotient with Numbers?
Negative and Zero Exponents
How Do You Evaluate Negative Exponents?
What Do You Do With a Zero Exponent?
What Do You Do With a Negative Exponent?
Exponent Rules and Monomials
How Do You Take a Monomial to a Power?
How Do You Multiply Monomials?
How Do You Take the Power of a Monomial?
Scientific Notation
Powers of 10
How Do You Figure Out the Exponent for a Negative Power of 10?
Working with Scientific Notation
How Do You Multiply Two Numbers Using Scientific Notation?
How Do You Convert From Decimal Notation to Scientific Notation?
How Do You Order Numbers in Scientific Notation?
What's Scientific Notation?
How Do You Convert From Scientific Notation to Decimal Notation?
Rational Numbers
Rational Numbers Definitions and Basics
Rational Number Definitions
What is a Repeating Decimal?
What is a Terminating Decimal?
What's a Rational Number?
Converting Decimals and Fractions
How Do You Turn an Improper Fraction Into a Mixed Fraction?
How Do You Turn an Integer Into a Fraction?
How Do You Turn a Fraction Into a Terminating Decimal?
How Do You Turn a Repeating Decimal Into a Fraction?
How Do You Turn a Fraction Into a Repeating Decimal?
How Do You Turn a Terminating Decimal Into a Fraction?
How Do You Turn a Mixed Fraction Into an Improper Fraction?
Comparing Rational Numbers
How Do You Order Fractions and Decimals From Greatest to Least?
How Do You Put Fractions and Decimals in Order?
How Do You Compare Two Decimals Using a Number Line?
How Do You Compare Fractions by Converting to Decimals?
Adding and Subtracting Fractions
Adding Fractions
How Do You Add Mixed Fractions with Different Denominators by Converting to Improper Fractions?
How Do You Add Fractions with the Same Denominator?
How Do You Add Mixed Fractions with the Same Denominator by Converting to Improper Fractions?
How Do You Add Fractions with Different Denominators?
How Do You Add Two Fractions with the Same Denominator?
How Do You Add Mixed Fractions with the Same Denominator?
How Do You Add Two Fractions with Different Denominators?
Subtracting Fractions
How Do You Subtract Fractions with the Same Denominator?
How Do You Subtract Fractions with Different Denominators?
How Do You Subtract Mixed Fractions with the Same Denominator?
How Do You Subtract Two Fractions with the Same Denominator?
How Do You Subtract Mixed Fractions with Different Denominators by Regrouping?
How Do You Subtract Mixed Fractions with Different Denominators by Converting to Improper Fractions?
How Do You Subtract Two Fractions with Different Denominators?
Multiplying and Dividing Fractions
Multiplying Fractions
How Do You Multiply Fractions?
How Do You Multiply a Whole Number by a Fraction?
How Do You Multiply Mixed Numbers?
Dividing Fractions
How Do You Divide Fractions?
What are Multiplicative Inverses?
What's a Reciprocal?
What's the Reciprocal Rule of Division?
How Do You Divide Mixed Numbers?
Decimal Operations
Decimal Operation Problems
What are Trailing Zeros?
How Do You Do Long Division with Decimals?
How Do You Subtract Decimals?
How Do You Divide a Decimal by a Decimal?
How Do You Add Decimals?
How Do You Multiply Decimals?
Estimation and Rounding
How Do You Round a Decimal to a Given Place Value?
How Do You Estimate a Quotient Using Compatible Numbers?
How Do You Use Front-End Estimation to Estimate a Sum of Several Decimals?
What is Place Value?
Solving Fraction Equations
Solving One-Step Fraction Equations
How Do You Solve an Equation With Fractions With Different Denominators Using Subtraction?
How Do You Solve an Equation With Fractions With The Same Denominators Using Addition?
How Do You Solve an Equation With Fractions With The Same Denominators Using Subtraction?
How Do You Solve an Equation With Fractions With Different Denominators Using Addition?
How Do You Solve an Equation Where You're Multiplying Fractions?
How Do You Solve a Word Problem Using an Equation Where You're Multiplying Fractions?
Solving Multi-Step Fraction Equations
How Do You Solve a Two-Step Equation with Fractions Using Reverse Order of Operations and Reciprocals?
How Do You Solve a Two-Step Equation by Distributing a Fraction First?
How Do You Solve a Two-Step Equation by Multiplying by a Reciprocal?
How Do You Solve a Two-Step Equation with Fractions by Multiplying Away the Fraction?
Solving Decimal Equations
Solving One-Step Decimal Equations
How Do You Solve a Decimal Equation Using Addition?
How Do You Solve a Decimal Equation Using Division?
How Do You Solve a Decimal Equation Using Multiplication?
How Do You Solve a Decimal Equation Using Subtraction?
Solving Multi-Step Decimal Equations
How Do You Solve a Word Problem Using a Two-Step Equation with Decimals?
Solving Inequalities with Rational Numbers
Solving Inequalities with Fractions
How Do You Solve an Inequality Where You're Multiplying Positive Fractions?
How Do You Solve an Inequality Word Problem Where You're Multiplying Positive Fractions?
How Do You Solve an Inequality Where You're Multiplying Negative Fractions?
How Do You Solve an Inequality By Adding Fractions?
How Do You Solve an Inequality Word Problem Where You're Multiplying Negative Fractions?
How Do You Solve an Inequality By Subtracting Fractions?
Solving Inequalities with Decimals
How Do You Solve a Decimal Inequality Using Division?
How Do You Solve a Decimal Inequality Using Subtraction?
How Do You Solve a Decimal Inequality Using Division with Negative Numbers?
How Do You Solve a Decimal Inequality Using Addition?
Ratios and Proportions
Ratios
Ratio Definitions
What's a Ratio?
What are Equivalent Ratios?
Working with Ratios
How Do You Determine If Two Ratios are Proportional by Reducing?
How Do You Write a Ratio From a Word Problem?
How Do You Find Equivalent Ratios?
How Do You Solve a Word Problem Using Ratios?
How Do You Use a Table of Equivalent Ratios to Predict a Value?
Rates and Unit Rates
Using Rates and Unit Rates
How Do You Convert a Rate To A Unit Rate?
How Do You Solve a Word Problem Using Unit Rates?
What are Rates and Unit Rates?
How Do You Convert Miles to Kilometers?
How Do You Convert Yards to Meters?
How Do You Use Unit Rates to Compare Rates?
Dimensional Analysis
What is Dimensional, or Unit Analysis?
How Do You Use Dimensional Analysis to Convert Units on Both Parts of a Rate?
How Do You Use Dimensional Analysis to Convert Units on One Part of a Rate?
Proportions and Proportionality
Determining Proportionality
What's the Means-Extremes Property of Proportions?
What's a Proportion?
How Do You Determine Whether Values in a Table are Proportional?
How Do You Determine if Two Ratios are Proportional Using Cross Products?
Solving Proportions
How Do You Set Up a Proportion from a Word Problem?
How Do You Solve a Scale Model Problem Using a Proportion?
How Do You Solve a Proportion?
How Do You Solve a Proportion Using the Multiplication Property of Equality?
How Do You Solve a Proportion by Finding an Equivalent Ratio?
Similar Figures and Indirect Measurement
Similar Figures
How Do You Find a Scale Factor in Similar Figures?
How Do You Find Missing Measurements of Similar Figures Using a Scale Factor?
How Do You Find Missing Measurements of Similar Figures Using a Proportion?
What are Corresponding Parts in Similar Figures?
What are Similar Figures?
How do you Figure Out if Two Figures are Similar?
Indirect Measurement
How Do You Solve a Problem Using Indirect Measurement with Shadows?
Scale Models
Using Scale Models
How Do You Use the Scale on a Map to Find an Actual Distance?
What is a Scale Drawing?
How Do You Figure Out What Size a Model Should Be if You Have a Scale?
What is a Scale?
How Do You Solve a Scale Model Problem Using a Scale Factor?
How Do You Solve a Scale Model Problem Using a Proportion?
How Do You Find the Scale of a Model?
Percents
Fractions, Decimals, and Percents
Percent Basics
How Do You Put Fractions, Decimals, and Percents in Order?
How Do You Turn a Percent into a Decimal?
How Do You Turn a Percent Into a Fraction?
What's a Percent?
How Do You Turn a Decimal into a Percent?
How Do You Turn a Fraction Into a Percent?
The Percent Proportion
Using the Percent Proportion
How Do You Use a Proportion to Find a Part of a Whole?
How Do You Use a Proportion to Find What Percent a Part is of a Whole?
How Do You Solve a Word Problem Using a Percent Proportion?
How Do You Set Up a Percent Proportion from a Word Problem?
What's a Percent Proportion?
How Do You Use a Proportion to Find a Whole?
The Percent Equation
Using the Percent Equation
How Do You Use an Equation to Find a Whole?
How Do You Use an Equation to Find a Part of a Whole?
What is the Percent Equation?
Percent of Change
Finding Percent of Change
What's a Percent of Change?
How Do You Figure Out a Percent of Change?
How Do You Figure Out Whether a Percent of Change is an Increase or a Decrease?
Finding Percents Mentally and Estimating Percents
Finding Percents Mentally
How Do You Find Percents Mentally Using Fractions?
How Do You Mentally Find Percents That are Powers of 10?
Estimating Percents
How Do You Use Compatible Numbers to Estimate a Part of a Whole?
Applications of Percents
Price Applications
How Do You Figure Out the Price of an Item With Sales Tax?
How Do You Figure Out the Price of a Marked Up Item?
How Do You Figure Out the Price of a Discounted Item?
Simple Interest
What is the Formula for Simple Interest?
How Do You Use the Formula for Simple Interest?
Compound Interest
What is the Formula for Compound Interest?
How Do You Use the Formula for Compound Interest?
Linear Functions and Graphing
Functions
Function Definitions and Notation
What Are Dependent and Independent Variables?
What's a Function?
How is a Function Defined?
How Do You Find f(x) If You Have a Value For x?
How Do You Solve a Word Problem Using a Function?
What is Function Notation?
Determining if Relations are Functions
How Can You Tell if a Relation is Not a Function?
How Do You Use the Vertical Line Test to Figure Out if a Graph is a Function?
What's the Vertical Line Test?
How Do You Figure Out If a Relation is a Function?
Linear Equations
Introduction to Linear Equations
What is a Linear Equation?
What Are Vertical Lines?
How Do You Graph a Linear Equation?
What Are Horizontal Lines?
How Do You Check if a Point is on a Line If You Have an Equation?
How Do You Make a Table of Values for a Linear Equation?
X- and Y-Intercepts
What's the Y-Intercept?
How Do You Use X- and Y-Intercepts To Graph a Line In Standard Form?
What's the X-Intercept?
How Do You Find the X- and Y-Intercepts of a Line If You Have a Graph?
How Do You Find the X- and Y-Intercepts of a Line If You Have an Equation?
Rate of Change and Slope
Rate of Change
How Do You Find the Rate of Change Between Two Points in a Table?
What is Rate of Change?
How Do You Find the Rate of Change Between Two Points on a Graph?
Slope Defintions
What Does Negative Slope Mean?
What Does the Slope of a Line Mean?
What Does Undefined Slope Mean?
What Does 0 Slope Mean?
What Does Positive Slope Mean?
What's the Formula for Slope?
Finding Slopes
How Do You Find the Slope of a Line from Two Points?
How Do You Find the Slope of a Line from a Graph?
How Do You Find the Slope of a Ramp If You Know the Rise and Run?
Slope-Intercept Form
Working with Slope-Intercept Form
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have Two Points?
What's Slope-Intercept Form of a Linear Equation?
How Do You Write the Equation of a Line in Slope-Intercept Form If You Have a Graph?
How Do You Graph a Line If You're Given the Slope and the Intercept?
How Do You Write the Equation of a Line in Slope-Intercept Form If You Have a Table?
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have the Slope and the Y-Intercept?
Point-Slope Form
Working with Point-Slope Form
How Do You Use Point-Slope Form to Write an Equation from a Table?
How Do You Write an Equation of a Line in Point-Slope Form If You Have the Slope and One Point?
What's Point-Slope Form of a Linear Equation?
How Do You Put an Equation in Point-Slope Form Into Standard or Slope-Intercept Form?
How Do You Write an Equation of a Line in Point-Slope Form If You Have Two Points?
Parallel and Perpendicular Lines
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Perpendicular Line?
How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Parallel Line?
How Do You Know if Two Lines are Parallel?
How Do You Find the Slope of a Line If You Have a Parallel Line?
How Do You Find the Slope of a Line If You Have a Perpendicular Line?
How Do You Know if Two Lines are Perpendicular?
Direct Variation
Direct Variation Definitions
What's the Constant of Variation?
What's the Direct Variation or Direct Proportionality Formula?
What Does Direct Variation Look Like on a Graph?
Working with Direct Variation
How Do You Write an Equation for Direct Variation from a Table?
How Do You Use the Formula for Direct Variation?
How Do You Find the Constant of Variation from a Direct Variation Equation?
How Do You Write an Equation for Direct Variation Given a Point?
How Do You Solve a Word Problem Using the Direct Variation Formula?
Systems of Equations
Definitions of Systems
What's a System of Linear Equations?
What's a Solution to a System of Linear Equations?
How Do You Show that a System of Equations has No Solution?
Solving Systems of Equations
How Do You Solve a System of Equations Using the Substitution Method?
How Do You Solve a System of Equations by Graphing?
How Do You Solve Two Equations with Two Variables?
Linear Inequalities
Graphing Linear Inequalities
What is a Linear Inequality?
How Do You Solve and Graph Inequalities from a Word Problem?
What's a Boundary?
How Do You Graph an Inequality on the Coordinate Plane?
How Do You Figure Out Whether a Boundary is a Part of the Graph of an Inequality?
What's a Half-Plane?
How Do You Determine if an Ordered Pair is a Solution to a Linear Inequality?
Systems of Linear Inequalities
What's a System of Linear Inequalities?
How Do You Solve a System of Inequalities by Graphing?
Scatter Plots and Best-Fit Lines
Defining Scatter Plots and Correlation
What's Negative Correlation?
What Does it Mean To Have No Correlation?
What's a Scatter Plot?
What's Positive Correlation?
Using Scatter Plots and Making Predictions
How Do You Use a Scatter Plot to Find a Negative Correlation?
How Do You Make a Scatter Plot?
How Do You Use a Scatter Plot to Find No Correlation?
How Do You Use a Scatter Plot to Find a Positive Correlation?
How Do You Write and Use a Prediction Equation?
How Do You Use a Scatter Plot to Find a Line of Fit?
Geometry
Points, Lines, Planes, and Angles
Points and Lines
What are Perpendicular Lines?
What are Parallel Lines?
What are Skew Lines?
What is a Ray?
What is a Point?
What is a Line Segment?
What are the Endpoints of a Line Segment?
What are Intersecting Lines?
Planes and Angles
What is a Degree?
What is an Angle?
What is a Plane?
What are Acute, Obtuse, Right, and Straight Angles?
Angle Relationships and Parallel Lines
Angle Definitions
What are Complementary Angles?
What are Supplementary Angles?
What are Vertical Angles?
Finding Missing Angles
How Do You Use Supplementary Angles to Find a Missing Angle?
How Do You Use Complementary Angles to Find a Missing Angle?
How Do You Find Angle Measures for Adjacent Angles?
Parallel Lines and Transversals
How Do You Find a Value for x that Makes Two Lines Parallel?
What is a Transversal?
How Do You Find Missing Angles in a Transversal Diagram?
Polygons
Polygon Definitions
What are Interior and Exterior Angles of a Polygon?
What is a Regular Polygon?
What is a Polygon?
Finding Angles in Polygons
How Do You Find the Measures of Exterior Angles of a Polygon if You Know the Interior Angles?
How Do You Find Measures of Missing Exterior Angles?
How Do You Find the Sum of the Interior Angles of a Polygon?
Quadrilaterals
Quadrilateral Definitions
How Do You Classify Quadrilaterals?
What is a Quadrilateral?
What is a Parallelogram?
What is a Trapezoid?
What is a Rhombus?
What is a Square?
What is a Rectangle?
Finding Angles in Quadrilaterals
How Do You Find Missing Angles in a Quadrilateral With Variables?
How Do You Find a Missing Angle in a Quadrilateral?
Triangles
Triangle Definitions
What is a Triangle?
Why Are the Angles of Equilateral Triangles Always Equal to 60°?
What are Equilateral, Isosceles, and Scalene Triangles?
What is the Triangle Sum Theorem?
What are Acute, Obtuse, and Right Triangles?
How Do You Classify Triangles?
Finding Angles in Triangles
How Do You Find a Missing Angle in a Triangle?
How Do You Find Missing Angles in a Triangle With Variables?
How Do You Find Missing Angles in an Isosceles Triangle?
How Do You Find a Missing Angle in a Right Triangle?
How Do You Find Missing Angles in an Isosceles Triangle Using Right Triangles?
How Do You Find the Angles in a Triangle if You Have a Ratio of Their Measures?
Congruence
Finding Corresponding Parts
How Do You Identify Corresponding Parts in Congruent Triangles?
What Does Congruent Mean?
Transformations and Symmetry
Transformation Definitions
What is a Transformation?
What Properties of a Figure Stay the Same After a Translation?
What is a Dilation?
What is a Reflection?
What is a Tessellation?
What is a Translation?
What is an Image?
What is a Line of Reflection?
What is a Rotation?
Translating Figures
How Do You Use a Graph to Translate a Figure Horizontally?
How Do You Use a Graph to Translate a Figure Vertically?
How Do You Use Coordinates to Translate a Figure Vertically?
How Do You Use a Graph to Translate a Figure Diagonally?
How Do You Use Coordinates to Translate a Figure Horizontally?
Reflecting Figures
How Do You Use a Graph to Reflect a Figure Over the X-Axis?
How Do You Use Coordinates to Reflect a Figure Over the Y-Axis?
How Do You Use Coordinates to Reflect a Figure Over the X-Axis?
How Do You Use a Graph to Reflect a Figure Over the Y-Axis?
Rotating Figures
How Do You Rotate a Figure 270 Degrees Clockwise Around the Origin?
How Do You Rotate a Figure 180 Degrees Around the Origin?
How Do You Rotate a Figure 90 Degrees Clockwise Around the Origin?
Dilating Figures
How Do You Make a Figure Larger Using a Dilation?
Symmetry
What is Rotational Symmetry?
Real Numbers and Right Triangles
Squares and Square Roots
Definitions and Properties of Square Roots
What's a Perfect Square?
What is the Product Property of Square Roots?
What is the Quotient Property of Square Roots?
Working with Square Roots
How Do You Estimate the Square Root of a Non-Perfect Square?
How Do You Find the Square Root of a Perfect Square?
How Do You Find the Square Root of a Number That is Not a Perfect Square?
How Do You Multiply Two Radicals?
Irrational and Real Numbers
Real Number Definitions
What's a Real Number?
What's an Irrational Number?
Comparing and Classifying Numbers
How Do You Put Real Numbers in Order?
How Do You Find a Rational Number Between Two Fractions?
How Do Different Categories of Numbers Compare To Each Other?
The Pythagorean Theorem
Right Triangles and the Pythagorean Theorem
What are the Legs and Hypotenuse of a Right Triangle?
What is the Pythagorean Theorem?
Using the Pythagorean Theorem
How Do You Determine if a Triangle Is a Right Triangle if You Know its Sides?
How Do You Find the Length of a Leg of a Right Triangle?
What is the Converse of the Pythagorean Theorem?
The Distance and Midpoint Formulas
The Distance Formula
How Do You Find the Distance Between Two Points?
What Is the Distance Formula?
The Midpoint Formula
How Do You Find the Midpoint of Two Points on a Map If You Have the Coordinates?
What's the Midpoint Formula?
How Do You Find the Midpoint Between Two Coordiantes?
Special Right Triangles
45°-45°-90° Right Triangles
How Do You Find a Missing Hypotenuse in a 45°-45°-90° Triangle?
What is a 45°-45°-90° Triangle?
30°-60°-90° Right Triangles
How Do You Find Missing Sides in a 30°-60°-90° Triangle?
What is a 30-60-90 Degree Triangle?
Trigonometric Ratios
Finding Missing Angles
How Do You Find the Cosine of an Angle in a Right Triangle?
How Do You Find the Sine of an Angle in a Right Triangle?
How Do You Solve a Problem Using an Angle of Elevation?
How Do You Find the Tangent of an Angle in a Right Triangle?
What is the Tangent Ratio?
What is the Sine Ratio?
Finding Missing Sides
How Do You Find a Missing Side of a Right Triangle Using Sine?
How Do You Find a Missing Side of a Right Triangle Using Cosine?
How Do You Find a Missing Side of a Right Triangle Using Tangent?
Perimeter, Area and Volume
Perimeter and Area
Perimeter
What's the Formula for the Perimeter of a Rectangle?
How Do You Find the Width of a Rectangle if You Know its Length and Perimeter?
How Do You Find the Perimeter of a Rectangle?
How Do You Find the Perimeter of a Shape?
Area Formulas
What is the Formula for the Area of a Parallelogram?
What is the Formula for the Area of a Rectangle?
What is Area?
What is a Composite Figure?
What is the Formula for the Area of a Trapezoid?
What is the Formula for the Area of a Triangle?
Using Area Formulas
How Do You Find the Area of a Trapezoid?
How Do You Find the Area of a Rectangle?
How Do You Find the Base of a Parallelogram if You Know the Area and Height?
How Do You Find the Length of a Rectangle if You Know its Width and Area?
How Do You Find the Area of a Triangle?
How Do You Find the Area of a Parallelogram?
How Do You Find the Height of a Trapezoid if You Know the Area and Bases?
How Do You Find the Area of a Composite Figure?
How Do You Find the Height of a Triangle if You Know the Area and Base?
Circles
Circle Definitions
What is a Sector and Central Angle?
What is a Circle?
What is Pi?
Circumference
How Do You Find the Circumference of a Circle if You Know the Radius?
How Do You Find the Circumference of a Circle if You Know the Diameter?
How Do You Find the Radius of a Circle if You Know the Circumference?
What is Circumference?
Areas of Circles and Sectors
How Do You Find the Area of a Circle if You Know the Radius?
What is the Formula for the Area of a Circle?
How Do You Find the Area of a Sector of a Circle?
How Do You Find the Area of a Circle if You Know the Diameter?
How Do You Find the Radius of a Circle if You Know the Area?
What is the Formula for the Area of a Sector of a Circle?
Three-Dimensional Figures
Definitions of Three-Dimensional Figures
What is a Cylinder?
What is a Sphere?
What is a Pyramid?
What is a Cone?
What is a Solid?
What is a Prism?
Identifying Three-Dimensional Figures
How Do You Identify a Three-Dimensional Figure from a Net?
How Do You Draw a Side View of a Three-Dimensional Shape?
What is a Net?
Volume
Volume Formulas
What is Volume?
What is the Formula for the Volume of a Pyramid?
What is the Formula for the Volume of a Cone?
What is the Formula for the Volume of a Prism?
What is the Formula for the Volume of a Sphere?
What is the Formula for the Volume of a Cylinder?
Finding Volumes
How Do You Find the Height of a Cylinder if You Know the Volume?
How Do You Find the Volume of a Triangular Pyramid?
How Do You Find the Volume of a Composite Figure?
How Do You Find the Volume of a Triangular Prism?
How Do You Find the Volume of a Rectangular Pyramid?
How Do You Find the Volume of a Cone?
How Do You Find the Volume of a Cylinder?
How Do You Find the Volume of a Rectangular Prism?
How Do You Find the Volume of a Sphere?
Surface Area
Surface Area Definitions and Formulas
What is the Formula for the Surface Area of a Sphere?
What is the Formula for the Surface Area of a Cylinder?
What is the Formula for the Surface Area of a Prism?
How Do You Find the Slant Height of a Cone?
Finding Lateral and Surface Areas
How Do You Find the Lateral and Surface Areas of a Regular Pyramid?
How Do You Find the Lateral and Surface Areas of a Triangular Prism?
How Do You Find the Lateral and Surface Areas of a Cone if You Don't Know the Slant Height?
How Do You Find the Lateral and Surface Areas of a Cone?
How Do You Find the Surface Area of a Sphere?
How Do You Find the Lateral and Surface Areas of a Cylinder?
How Do You Find the Lateral and Surface Areas of a Rectangular Prism?
Similar Solids
Working with Similar Solids
What is the Relationship Between the Surface Areas of Similar Solids?
Probability and Data Analysis
Probability and Odds
Simple Probability
What is a Sample Space?
What is Probability?
What is Experimental Probability?
How Do You Determine All the Possible Outcomes of an Experiment?
How Do You Use a Simulation to Solve a Problem?
What is the Complement of an Event?
How Do You Find the Probability of the Complement of an Event?
How Do You Find the Probability of a Simple Event?
What is an Outcome?
Counting Outcomes
Finding Outcomes
How Do You Use a Tree Diagram to Count the Number of Outcomes in a Sample Space?
How Do You Use the Fundamental Counting Principle to Count the Number of Outcomes in a Sample Space?
What is the Fundamental Counting Principle?
Permutations and Combinations
Factorials
What is a Factorial?
Permutations
What is a Permutation?
How Do You Find a Number of Permutations Using the Fundamental Counting Principle?
Compound Events
Independent and Dependent Events
What are Compound Events?
How Do You Determine If Events are Independent or Dependent?
How Do You Find the Probability of Dependent Events?
How Do You Find the Probability of Independent Events?
Sampling Methods
Populations and Sampling Methods
What is an Unbiased Sample?
How Do You Use a Sample to Make Predictions About a Population?
Measures of Central Tendency and Variation
Measures of Central Tendency
How Do You Find the Mode of a Data Set When There is More Than One Mode?
What is the Median of a Data Set?
What is the Mode of a Data Set?
How Do You Find the Median of a Data Set?
How Do You Find an Average?
How Do You Find the Mode of a Data Set?
How Do You Find the Mean of a Data Set?
How Do You Find the Mode of a Data Set Where All The Numbers are Different?
What is the Mean of a Data Set?
Measures of Variation
How Do You Find the Range of a Data Set?
How Do You Compare Two Data Sets Using Box-and-Whisker Plots?
What is a Box-and-Whisker Plot?
How Do You Make a Box-and-Whisker Plot?
How Do You Find the Minimum, Maximum, Quartiles, and Median of a Data Set?
What is the Interquartile Range?
Displaying Data
Graphs and Displaying Data
How Do You Use a Line Graph to Make Predictions?
What is Numerical, or Quantitative, Data?
How Do You Use a Circle Graph to Make Predictions?
What is a Line Graph?
How Do You Interpret a Bar Graph With a Break in the Scale?
How Do You Interpret a Circle Graph?
What is a Double Bar Graph?
Frequency and Histograms
Stem-and-Leaf and Line Plots
What is a Line Plot?
What is a Stem-And-Leaf Plot?
Frequency Tables and Histograms
What is a Histogram?
How Do You Make a Frequency Table?
How Do You Make a Histogram?
What is a Frequency Table?
Polynomials and Nonlinear Functions
Polynomials
Polynomial Definitions
What's the Standard Form of a Polynomial?
What is a Term in a Polynomial?
What is a Polynomial?
Degrees of Monomials and Polynomials
How Do You Find the Degree of a Polynomial?
How Do You Find the Degree of a Monomial?
Adding and Subtracting Polynomials
Adding Polynomials
How Do You Find the Additive Inverse of a Polynomial?
How Do You Add Polynomials Vertically?
How Do You Add Polynomials?
Subtracting Polynomials
How Do You Solve a Word Problem by Subtracting Polynomials?
How Do You Subtract Polynomials Vertically?
How Do You Subtract Polynomials?
Multiplying and Dividing Monomials and Polynomials
Multiplying Monomials and Polynomials
How Do You Find the Area of a Rectangle Whose Sides are a Monomial and a Polynomial?
How Do You Find the Volume of a Box Whose Sides are Monomials?
How Do You Multiply a Monomial by a Polynomial?
Multiplying Binomials
FOIL and Multiplying Binomials
How Do You Solve a Word Problem by Multiplying Binomials?
How Do You Multiply Binomials Using FOIL?
What's the Grid Method of FOILing?
What's FOIL?
How Do You Multiply Binomials Using the Distributive Property?
Special Products of Binomials
What's the Formula for the Square of a Difference?
What's the Formula for the Square of a Sum?
What's the Formula for the Product of a Sum and a Difference?
How Do You Use the Formula for the Product of a Sum and a Difference?
Non-Linear Functions
Identifying Linear Functions
How Can You Tell if a Function is Linear or Nonlinear From a Graph?
How Can You Tell if a Function is Linear or Nonlinear From a Table?
How Can You Tell If You Have a Linear Equation?
Quadratic Functions
How Do You Make a Table for a Quadratic Function?
What is a Parabola?
What is the Vertex of a Quadratic Function?
What is a Quadratic Function?
How Do You Graph a Quadratic Function?
Cubic Functions
What is a Cubic Function?
Absolute Value Functions
What Does the Constant 'k' do in y = |x|+k?
What is an Absolute Value Function?
How Do You Graph an Absolute Value Function?
What Does the Constant 'h' do in y = |x-h|?
Exponential Functions, Growth and Decay
Exponential Functions
How Do You Solve a Word Problem Using an Exponential Function?
What's an Exponential Function?
How Do You Graph an Exponential Function Using a Table?
Exponential Growth and Decay
How Do You Solve a Word Problem with Exponential Decay?
What is exponential decay?
What is Exponential Growth?
How Do You Solve a Word Problem with Exponential Growth?
Sequences
Arithmetic Sequences
How Do You Find the Next Terms in an Arithmetic Sequence?
What's a Sequence?
What's an Arithmetic Sequence?
What's a Term in a Sequence?
Where Does the Formula for a Term in an Arithmetic Sequence Come From?
What's the Common Difference?
How Do You Find the Common Difference in an Arithmetic Sequence?
How Do You Find the Nth Term in an Arithmetic Sequence?
Geometric Sequences
How Do You Determine if a Sequence is Arithmetic or Geometric?
What is the Formula for the nth Term in a Geometric Sequence?
How Do You Write a Rule for a Geometric Sequence?
Inverse Variation
Working with Inverse Variation
How Do You Solve a Word Problem Using Inverse Variation?
How Do You Use the Formula for Inverse Variation to Write an Equation?
What's the Inverse Variation or Indirect Proportionality Formula?
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