This page is part of the 2016 Lane website archive, and is presented for historical reference only.

Math 60

Algebra I: Math 60

Algebra for College Students (Custom Edition for LCC)

Robert Blitzer

 

Chapter 1: Variable, Real Numbers and Mathematical Models

1.1 Introduction to Algebra: Variables and Mathematical Models

Evaluate algebraic expressions

Introduction to Algebra: Variables and Mathematical Models PDF Review

Translate English phrases into algebraic expressions

Introduction to Algebra: Variables and Mathematical Models YouTube Video

Determine whether a number is a solution of an equation

Introduction to Algebra: Variables and Mathematical Models by Khan Academy

Translate English sentences into algebraic equations

Simple Equations

Evaluate formulas

Equations 1

Equations 2

 

1.2 Fractions in Algebra

Convert between mixed numbers and improper fractions

Converting Mixed Numbers to Improper Fractions

Converting Improper Fractions to Mixed Numbers

Write the prime factorization of a composite number

Prime Factorization

Recognizing Prime Numbers

Finding Factors of a Number

Reduce or simplify fractions

Equivalent Fractions

Fractions in Lowest Terms

Comparing Fractions

Comparing Fractions 2

Multiply fractions

Multiplying Fractions

Multiplying Mixed Numbers

Multiplying Fractions and Mixed Numbers

Multiplying Fractions Word Problem

Divide fractions

Dividing Mixed Numbers

Dividing Mixed Numbers and Fractions

Dividing Fractions Word Problem

Add and subtract fractions with identical denominators

Adding Fractions with Like Denominators

Least Common Multiple (LCM)

Finding Common Denominators

Add and subtract fractions with unlike denominators

Adding Mixed Numbers with Unlike Denominators

Subtracting Fractions

Subtracting Mixed Numbers

Solve problems involving fractions in algebra

Subtracting Mixed Numbers Word Problem

 

1.3 The Real Numbers

Define the sets that make up the real numbers

Properties of Real Numbers

Graph numbers on a number line

Points on a Number Line

Classify numbers as belonging to one or more sets of the real numbers

Number Sets

Find the absolute value of a real number

Absolute Value of Integers

 

1.4 Basic Rules of Algebra

Use commutative properties

Commutative Law of Addition

Commutative Property for Addition

Commutative Law of Multiplication

Use associative properties

Associative Law of Addition

Associative Law of Multiplication

Use distributive properties

The Distributive Property

The Distributive Property 2

1.5 Addition of Real Numbers AND 1.6 Subtraction of Real Numbers

Add numbers with a number line

How to add numbers using a number line

Find sums using identity and inverse properties

Identity and inverse properties

Add numbers without a number line

Adding Positive and Negative Numbers

Use addition rules to simplify algebraic expressions

Addition and Subtraction of Algebraic Expressions

Subtract real numbers

Subtracting Real Numbers

Use the definition of subtraction to identify terms

Subtraction of real numbers

 

1.7 Multiplication and Division of Real Numbers

Multiply real numbers

Algebra Tutorial 1

Multiply more than two real numbers

Multiplying negative real numbers

Find multiplicative inverses

Inverse Property of Multiplication

Use the definition of division

Division Defined

Divide real numbers

Dividing real numbers with different signs

Simplify algebraic expressions involving multiplication

Simplifying with one variable

 

1.8 Exponents and Order of Operations

Evaluate exponential expressions

Evaluate exponential expressions

Understanding Exponents

Understanding Exponents 2

Simplify algebraic expressions with exponents

Simplify algebraic expressions with exponents 

Use the order of operations agreement

Order of Operations 1

Order of Operations 2

 

Chapter 2: Linear Equations and Inequalities in One Variable

2.1 The Addition Property of Equality

Identify linear equations in one variable

Evaluate an expression

Use the addition property of equality to solve equations

The Addition and Subtraction Properties of Equality Tutorial

Solve applied problems using formulas

Evaluate a formula

 

2.2 The Multiplication Property of Equality

Use the multiplication property of equality to solve equations

The Muliplication Property of Equality Tutorial

Use the addition and multiplication properties to solve equations

Solving equations 1

Solving equations 2

 

2.3 Solving Linear Equations

Solve linear equations

Linear Equations

Solving Equations 2

Solve linear equations containing fractions

Solving Equations 1

2.4 Formulas and Percents

Solve a formula for a variable

Express a percent as a decimal

Converting percents to decimals

Express a decimal as a percent

Converting decimals to percents 1

Converting decimals to percents 2

Use the percent formula

Percent formula

Solve applied problems involving percent change

Solving Percent Problems 2

Taking Percentages

Growing by a Percentage

Another Percent Word Problem

More Percent Problems

 

2.5 An Introduction to Problem Solving

Translate English phrases into algebraic expressions

Introduction to Algebra: Variables and Mathematical Models PDF Review

Introduction to Algebra: Variables and Mathematical Models YouTube Video

Introduction to Algebra: Variables and Mathematical Models by Khan Academy

Solve algebraic word problems using linear equations

Algebra Word Problems 1

Algebra Word Problems 2

 
2.6 Problem Solving in Geometry

Solve problems using formulas for a circle's area and circumference

Area of a Circle

Radius, Diameter, and Circumference of a Circle

Solve problems using formulas for volume

Volume and Surface Area of a Cylinder

Solve problems involving the angles of a triangle

The Angle Game

The Angle Game, Part 2

Solve problems involving complementary and supplementary angles

Angles 2

 

2.7 Solving Linear Inequalities

Graph the solutions of an inequality on a number line

Graphing inequalities

Use interval notation

Interval notation to express inequalities

Understand properties used to solve linear inequalities

Interpreting Inequalities

Solve linear inequalities

Solving Inequalities Examples

More Inequalities

Identify inequalities with no solution or infinitely many solutions

All real numbers or no solution-inequalities

Solve problems using linear inequalities

Solving basic inequalities 1

Solving basic inequalities 2

 

Chapter 3: Linear Equations in Two Variables

3.1 Graphing Linear Equations in Two Variables

Plot ordered pairs in the rectangular coordinate system

Plotting x-y Relationships

Find coordinates of points in the rectangular coordinate system

Quadrants of the Coordinate Plane

Determine whether an ordered pair is a solution of an equation

Ordered Pair Solutions of Equations

Find solutions of an equation in two variables

Evaluating Expressions with Two Variables

Use graphs of linear equations to solve problems

Application Problem with Graph

 

3.2 Graphing Linear Equations Using Intercepts

Use a graph to identify intercepts

x- and y-Intercepts

x- and y-Intercepts 2

Graph a linear equation in two variables using intercepts

Graphing Using x- and y-Intercepts

Graph horizontal or vertical lines

Graphing horizontal and vertical lines

3.3 Slope

Compute a line's slope

Graphical Slope of a Line

Use slope to show that lines are perpendicular

Perpendicular lines

Calculate rate of change in applied situations

Slope example

 

3.4 The Slope Intercept Form of the Equation of a Line

Graph lines in slope-intercept form

Graphing a Line in Slope Intercept Form

Use slope and y-intercept to graph Ax+By=C.

Point Slope and Standard Form

 

3.5 The Point-Slope Form of the Equation of a Line

Use the point-slope form to write equations of a line

Equation of a line: Point-Slope Form

Find slopes and equations of parallel and perpendicular lines

Equations of Parallel and Perpendicular Lines

Write linear equations that model data and make predictions

Word Problem Solving