Home » Mathematics » Pre Algebra
No. of
Lectures
Duration
(hrs:min)
62
19:30

4.5
582 ratings • 45 reviews
• Level Intermediate
• 62 Lessons (19hr : 30min)
• Audio: English

Join Professor Nancy Fung with her 10+ years of teaching experience to gain a solid foundation in Pre-Algebra. She specializes in taking complex math ideas and making them understandable with clear explanations and step-by-step examples.

## Section 1: Variables and Algebraic Expressions

Numerical Expressions 13:41
Intro 0:00
What You'll Learn and Why 0:08
Topics Overview 0:09
Vocabulary 0:22
Order of Operations 0:26
Numerical Expression 1:03
Simplify 1:27
Simplifying an Expression 1:44
Example 1: Simplify the Expression 1:45
Simplifying an Expression 3:26
Example 2: Simplify the Expression 3:27
Using an Expression to Solve a Problem 4:29
Example 3: Babysitting 4:33
Using an Expression to Solve a Problem 6:14
Example 4: Shopping 6:17
Extra Example 1: Simplify the Expression 7:35
Extra Example 2: Simplify the Expression 8:55
Extra Example 3: Finding Total Cost 10:02
Extra Example 4: Finding Total Cost 11:44
Algebraic Expressions 9:11
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:16
Variable 0:19
Algebraic Expression 0:30
Evaluate 0:51
Modeling an Algebraic Expression 1:16
Model the Expression 2x + 4 1:17
Evaluating an Algebraic Expression 1:47
Evaluate 3x - 7 for x = 8.2 1:48
Evaluating an Algebraic Expression 2:45
Evaluate (3.7 + x) ÷ 2 for x = 9.6 2:46
Using a Table to Evaluate an Expression 4:10
Example: Pairs of Shoes 4:13
Extra Example 1: Evaluate the Expression 5:46
Extra Example 2: Evaluate the Expression 6:06
Extra Example 3: Perimeter of a Rectangle 6:46
Extra Example 4: Finding Income 7:40
Writing Expressions 8:24
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:15
Subtraction 1:04
Multiplication 2:06
Division 2:31
Translating Words to Expressions 3:02
Example: 9 Less than Twice a Number 3:08
Writing an Algebraic Expression 3:58
Example: Cost of Bowling 4:07
Extra Example 1: Writing Expressions 5:14
Extra Example 2: Writing Expressions 6:06
Extra Example 3: Writing Expressions 7:11
Extra Example 4: Writing Expressions 7:58
Estimating for Reasonableness 10:20
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:16
Compatible Numbers 0:17
Estimating by Rounding 1:08
Estimate 36 + 6 + 58 1:30
Estimate 94 - 35 - 42 2:29
Estimating with Compatible Numbers 3:02
Estimate 297 ÷ 17 3:17
Estimate 9 Times 38 3:39
Estimating for Reasonableness 4:13
Example: Total Cost of the Items 4:15
Extra Example 1: Estimating with Compatible Numbers 6:02
Extra Example 2: Estimating by Rounding 7:05
Extra Example 3: Estimating for Reasonableness 7:27
Extra Example 4: Estimating for Reasonableness 9:15
Properties of Numbers 12:01
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:16
Commutative Properties: Addition and Multiplication 0:21
Associative Properties: Addition and Multiplication 1:46
Vocabulary Cont. 3:08
Identity Properties: Addition and Multiplication 3:09
Recognizing Properties 3:55
Examples: Which Property is Illustrated? 3:58
Using Properties of Numbers 5:07
Using Mental Math to Find the Total Cost 5:18
Using Properties of Numbers 6:29
Using Mental Math to Simplify 6:30
Extra Example 1: Using Properties of Numbers 8:29
Extra Example 2: Using Properties of Numbers 9:06
Extra Example 3: Using Properties of Numbers 10:02
Extra Example 4: Using Properties of Numbers 10:32
Distributive Property 9:40
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:15
Distributive Property 0:16
Using the Distributive Property 1:32
Example: 8 ( 9 + 11 ) 1:35
Using the Distributive Property 2:58
Example: 7 ( 12 - h ) 2:59
Example: ( m + 2 ) 5 3:20
Distributive Property in Mental Math 3:34
Example: Finding Total Cost 3:38
Extra Example 1: Summer Job 4:55
Extra Example 2: Total Cost 6:03
Extra Example 3: Fundraiser 7:36
Extra Example 4: Tomato Plants 8:24

## Section 2: Integers and Exponents

Integers and Absolute Value 11:35
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:10
Vocabulary 0:21
Opposites 0:27
Integers 1:03
Absolute Value 1:23
Vocabulary 2:21
Number Line 2:23
Finding Absolute Value 2:35
Example: Absolute Value 2:36
More Examples 4:05
Example: Absolute Value of 5 4:06
Example: Absolute Value of Negative 2 4:15
Comparing Integers 4:29
Boiling Points of Elements 4:34
Comparing Integer Examples 6:00
Example 1: Comparing Integers 6:04
Example 2: Comparing Integers 6:17
Example 3: Comparing Integers 6:30
Comparing Integer Examples 6:49
Comparing Temperature 6:53
Extra Example 1: Simplify Absolute Value 8:13
Extra Example 2: Simplify Absolute Value 9:01
Extra Example 3: Simplify Absolute Value 9:29
Extra Example 4: Simplify Absolute Value 10:49
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:26
Integers 0:30
Example : -3 + -7 1:01
Example : +11 + 8 1:06
Example : 2 + (+6) 1:21
Example: -3 + -7 1:48
Example: -21 + -3 2:05
Example: -11 + (-4) 2:41
Adding Integers with Opposite Signs 3:01
Using a Number Line: -8 + 10 3:52
Using a Number Line: 4 + (-6) 4:36
Adding Integers with Opposite Signs 5:39
Using Absolute Value: -18 + 7 5:48
Extra Example 1: Adding Integers 6:33
Extra Example 2: Adding Integers 7:23
Extra Example 3: Money Problem 8:46
Extra Example 4: Measurement Problem 9:15
Subtracting Integers 12:01
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:21
Integers 0:25
Opposites 0:47
Rules for Multiplying Signs 1:18
Using a Number Line 2:00
Example: 2 - 5 2:25
Other Examples 2:52
Using Number Line: 10 - (-13) 3:02
Rewriting Absolute Value 4:51
Extra Example 1: Subtracting Integers 5:48
Extra Example 2: Temperature 7:26
Extra Example 3: Depth 8:51
Extra Example 4: Change in Yards 11:09
Multiplying Integers 14:28
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:43
Integers 0:47
Opposites 1:03
Example 1: Using a Number Line 1:43
More Examples 3:28
Example 2: Using a Number Line 3:30
Using a Number Line 4:45
Example 3: Using a Number Line 4:46
Example 4: Using a Number Line 5:59
Arithmetic 7:35
Algebra 8:00
Rules for Multiplying Different Signs Integers 8:17
Arithmetic 8:29
Algebra 8:58
Multiplying Integer Examples 9:20
Examples of Multiplying Integers 9:21
Using Multiplication of Integers to Solve a Problem 10:07
Elevation 10:12
Temperature 11:21
Determine the Sign of the Product 12:19
Example 5: Determine the Sign 12:20
Example 6: Determine the Sign 12:50
Extra Example 1: Product of Three Negative Numbers 13:07
Extra Example 2: Product of Four Negative Numbers 13:45
Extra Example 3: Product of Five Negative Numbers 13:58
Extra Example 4: Product of 103 Negative Numbers 14:13
Dividing Integers 20:18
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:27
Quotient 0:30
Rules for Dividing Integers 0:49
Rules for Dividing Integers, cont. 2:06
Arithmetic (Different Signs Integers) 2:14
Algebraic (Different Signs Integers) 2:41
Dividing Integer Examples 3:24
Dividing Integers: 14 ÷ 7 3:30
Dividing Integers: 45 ÷ (-9) 3:37
Dividing Integer Examples 3:51
Dividing Integers: (-105) ÷ (-15) 3:55
Dividing Integers: (-42) ÷ 6 5:07
Average Rate of Change 5:17
Using Integers to Represent the Situation 5:25
Example: Spend \$360 in 6 Days 5:40
Example: Runs 1000 Feet in 4 Minutes 6:30
Average Rate of Change Word Problems 7:27
Example: Average Decrease in Value 7:32
Average Rate of Change Word Problems 9:19
Example: Average Increase in Stock 9:23
Average Rate of Change Word Problems 10:46
Example: Average Increase in Speed 10:51
Dividing Integers 12:00
Odd Number of Negatives 12:03
Even Number of Negatives 12:49
Order of Operations and Sign of Final Answer 13:50
Example: -120 ÷ (-5) ÷ -4 13:56
Extra Example 1: Order of Operations 14:48
Extra Example 2: Evaluate the Expression 15:29
Extra Example 3: Rate of Change 17:18
Extra Example 4: Rate of Evaporation 19:22
Positive Exponents 20:05
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:26
Factor 0:32
Exponent 1:16
Vocabulary 1:57
Base 1:58
Power 2:18
Writing Expressions with Exponents 2:31
Example 1: Writing Expressions with Exponents 2:36
Example 2: Writing Expressions with Exponents 3:00
Writing Expressions with Exponents 3:20
Example 3: Writing Expressions with Exponents 3:25
Example 4: Writing Expressions with Exponents 3:53
Simplifying Power 4:06
Example 5: Simplifying Power 4:14
Example 6: Simplifying Power 5:03
Simplifying Power 6:06
Example 7: Simplifying Power 6:09
Example 8: Simplifying Power 6:50
Order of Operations 7:24
PEMDAS 7:26
Order of Operations 8:32
Evaluating Expressions with Exponents 10:07
Example 9: Evaluating Expressions with Exponents 10:11
Example 10: Evaluating Expressions with Exponents 11:07
Extra Example 1: Evaluate 12:33
Extra Example 2: Evaluate 13:42
Extra Example 3: Height of the Rocket 15:00
Extra Example 4: Number of Cells 16:38

## Section 3: Equations and Applications

Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:18
Equation 0:21
Isolate 1:00
Inverse Operations 1:18
Subtraction Property of Equality 1:59
Arithmetic 2:12
Algebraic 2:53
Inverse Operations 3:32
Example: 38 + x = 42 3:40
Using Substitution to Check Answer 4:43
Inverse Operations 5:19
Example: y + 7.3 = 9.1 5:22
Using Substitution to Check Answer 5:53
Draw a Model 6:26
Weight Gain 6:42
Draw a Model 8:20
Mountain Climber 8:23
Examples by Writing Equations 10:25
Calculating Profit: Sweat Shirt 10:30
Examples by Writing Equations 11:37
Calculating Profit: Car Dealer 11:38
Extra Example 1: Inverse Operation 14:21
Extra Example 2: Inverse Operation 15:37
Extra Example 3: Real Estate 17:23
Extra Example 4: Birth Date 20:06
Solving Subtraction Equations 19:34
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:07
Vocabulary 0:23
Addition Property of Equality: Arithmetic 0:31
Addition Property of Equality: Algebraic 1:14
Subtraction Property of Equality: Arithmetic 1:54
Subtraction Property of Equality: Algebraic 2:19
Solving an Equation by Adding 3:05
Example: b - 2 = 2 3:22
Example: 23 - j = 12 4:00
Solving an Equation by Adding 5:29
Example: a - 7.9 = 17.9 5:32
Example: -5.6 + x = 10.2 6:33
Solving an Equation by Writing an Equation 7:42
Example: Bank Withdrawal 7:48
Solving an Equation by Writing an Equation 9:21
Example: Temperature 9:23
Extra Example 1: Solving Subtraction Equations 11:50
Extra Example 2: Solving Subtraction Equations 12:46
Extra Example 3: Money 13:40
Extra Example 4: Selling Price 16:01
Solving Multiplication and Division Equations 26:11
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:19
Division Property of Equality: Arithmetic 0:27
Division Property of Equality: Algebraic 1:05
Multiplication Property of Equality: Arithmetic 1:38
Multiplication Property of Equality: Algebraic 2:07
Vocabulary 2:49
Inverse Operations 2:53
Solve the Equation Using Division 3:09
Example: 8x = 56 3:12
Example: -6y = 42 3:59
Solve the Equation Using Division 4:47
Example: 0.9c = 1.89 4:53
Solve the Equation Using Division 6:11
Example: Saving Money 6:17
Example: Soccer Team 8:14
Solve the Equation Using Multiplication 9:56
Example: a/7 = 9 10:04
Example: t/1.7 = 6 10:52
Solve the Equation Using Multiplication 12:09
Example: y/-45 = 3.2 12:17
Example: -p = 14 13:13
Solve the Equation Using Multiplication 14:10
Example: Distant 14:16
Extra Example 1: Solve the Equation 15:58
Extra Example 2: Solve the Equation 17:25
Extra Example 3: Height of an Elephant 20:55
Extra Example 4: Money 23:07
Solving Two-Step Equations 19:10
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Two-Step Equation Involvement 0:19
Solving Two-Step Equations 0:41
Example: 8y - 11 = 32 0:45
Example: 32 = t/5 + 8 2:55
Solving Two-Step Equations 4:49
Example: Recommended Daily Intake 4:59
Solving Two-Step Equations 7:01
Example: Cost of Each Ride 7:02
Extra Example 1: Solving Two-Step Equations 10:13
Extra Example 2: Solving Two-Step Equations 12:54
Extra Example 3: Length of Phone Call 13:56
Extra Example 4: Cost of Owning a Pet 16:40
Square Roots 12:16
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:16
Perfect Square 0:20
Square Root 0:46
Square Roots 1:13
Every Positive Number has Two Square Roots 1:14
Square Roots of a Number are Opposites 1:40
Square Root Symbol 1:54
Positive Square Root of a Number 1:56
Compare: √25 and -√25 2:08
Find the Square Root 2:50
Example: Square Root of 81 2:52
Example: Square Root of 121 3:13
Estimating Square Roots 3:29
Example: Square Root of 23 3:35
Example: Square Root of 390 4:13
Example: Negative Square Root of 125 4:50
Estimating Square Roots 5:27
Estimating Length 5:31
Simplifying Square Roots 7:05
Example: Square Root of 36 7:08
Example: Simplifying Square Roots 7:47
Extra Example 1: Estimate the Length 8:21
Extra Example 2: Simplify the Expression 9:05
Extra Example 3: Estimate the Length 9:50
Extra Example 4: Simplify the Expression 10:34
Pythagorean Theorem 14:49
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:36
Right Triangle 0:39
Legs 0:57
Hypotenuse 1:02
Pythagorean Theorem 1:11
Arithmetic Example 1:12
Algebra Example 2:41
Find the Length of the Hypotenuse 3:04
Example 1: Hypotenuse of a Triangle 3:07
Example 2: Hypotenuse of a Triangle 4:30
Find the Length of the Hypotenuse 6:18
Example 3: Hypotenuse of a Right Triangle 6:19
Extra Example 1: Square Roots 8:41
Extra Example 2: Perimeter 9:43
Extra Example 3: Length of Screen 11:58
Extra Example 4: Length of Wire 13:14
Using the Pythagorean Theorem 16:15
Intro 0:00
What You'll Learn and Why 0:07
Topics Overview 0:08
Vocabulary 0:30
The Pythagorean Theorem 0:32
Find the Length of a Leg 1:14
Example 1: Length of Ramp 1:19
Example: 2 Length of Platform 4:22
Identifying a Right Triangle 6:13
Example 3: Determine Right Triangle 6:14
Example 4: Determine Right Triangle 8:08
Extra Example 1: Find the Missing Leg Length 10:04
Extra Example 2: Length of Ladder 11:39
Extra Example 3: Determine Given Lengths 13:04
Extra Example 4: Length of Pole 14:20

## Section 4: Rational Numbers

Prime Factorization 16:40
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:23
Factor 0:24
Composite Number 1:04
Vocabulary 1:17
Prime Number 1:18
Prime Factorization 1:57
Divisibility Rules 2:54
Divisibility Rules for 2, 3, 4 ,5 ,6, 9 and 10 2:55
Finding Factors 4:56
Possible Arrangements 4:59
Finding Factors 6:06
How Many Oranges? 6:07
Prime or Composite 6:43
Prime or Composite: 48 6:47
Prime or Composite: 53 7:09
Prime or Composite: 57 7:35
Prime Factorization 8:16
Prime Factorization of 42 8:23
Prime Factorization of 84 8:47
Find the Number 9:23
Find the Number with the Given Prime Factorization 9:24
Extra Example 1: Prime or Composite 11:04
Extra Example 2: Prime Factorization of 72 12:23
Extra Example 3: Marching Arrangements 12:56
Extra Example 4: Flowers Arrangements 14:50
Greatest Common Divisor 14:16
Intro 0:00
What You'll Learn and Why 0:07
Topics Overview 0:08
Vocabulary 0:41
Factor 0:43
Common Divisor 1:00
Greatest Common Divisor (GCD)/ Greatest Common Factor (GCF) 1:16
Find the GCD by Listing Divisors 1:34
GCD of 27 and 36 1:46
GCD of 18 and 49 2:52
Prime Factorization to Find GCD 3:30
GCD of 42 and 72 3:42
GCD of 21 and 63 4:46
GCD in Word Problems 5:30
Greatest Number of Police Officers 5:32
GCD in Word Problems 7:15
Cutting Two Pipes 7:16
Extra Example 1: GCD of 32, -24, 40 8:08
Extra Example 2: How Many Groups? 9:41
Extra Example 3: GCD of Two Prime Numbers 11:34
Extra Example 4: How Many Children? 12:26
Equivalent Fractions 11:22
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:21
Equivalent Fractions 0:23
Simplest Form 1:15
Creating Equivalent Fractions 1:59
Method to Create Equivalent Fractions 2:00
Equivalent Fractions 2:18
Write Two Fractions Equivalent to 5/8 2:22
Write Two Fractions Equivalent to 2/14 3:12
GCD to Simplify 3:51
Find the GCD of 24 and 32 4:03
Write 24/32 in Simplest Form 4:43
Write -27/45 in Simplest Form 5:08
Writing a Fraction 6:04
Example: What Fraction of the Vehicles are Trucks? 6:11
Writing a Fraction 7:45
Example: What Fraction of the Seats are Empty? 7:55
Extra Example 1: Pizza 9:00
Extra Example 2: Driving Time 9:28
Extra Example 3: Simplest Form 10:29
Extra Example 4: Basketball Team 10:52
Equivalent Forms of Rational Numbers 20:47
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:08
Vocabulary 0:30
Rational Number 0:31
Terminating Decimal 0:53
Repeating Decimal 1:04
Converting Decimals to Fractions 1:22
Write 0.47 as a Fraction 1:26
Write 0.48 as a Fraction 2:03
Write 0.245 as a Fraction 3:21
Converting Decimals to Fractions 4:20
Write 0.08 as a Fraction 4:30
Write 0.8 as a Fraction 4:53
Converting Fractions to Decimals 5:26
Write 1/2 as a Decimal 5:30
Write 6/33 as a Decimal 6:12
Write -9/5 as a Decimal 7:39
Converting Fractions to Decimals in Word Problems 8:19
Batting Average 8:23
Converting Fractions to Decimals in Word Problems 11:22
Cooking Festival 11:26
Extra Example 1: Write 0.038 as a Fraction 14:45
Extra Example 2: Write -13/7 as a Decimal 15:35
Extra Example 3: Batting Average 16:38
Extra Example 4: Rational Number 19:55
Comparing and Ordering Rational Numbers 20:21
Intro 0:00
What You'll Learn and Why 0:07
Topics Overview 0:08
Vocabulary 0:29
Least Common Multiple (LCM) 0:30
Least Common Denominator (LCD) 1:50
Ordering Rational Numbers 2:45
Numbers as Decimals 2:46
Numbers as Fractions 5:36
Compare Each Pair of Numbers 8:10
Compare 3/4 and 4/5 8:11
Compare 3/11 and 1/6 8:44
Comparing rational Numbers in Word Problems 9:19
Extra Example 1: Least to Greatest (Decimals) 11:32
Extra Example 2: Least to Greatest (Fractions) 13:35
Extra Example 3: Music Notes 15:54
Extra Example 4: Chocolate or Fruit 17:16

## Section 5: Rational Number Operations

Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:19
Least Common Multiple (LCM) 0:20
Least Common Denominator (LCD) 0:28
Adding Fractions with Unlike Denominators 1:22
Example: 3/4 + 2/5 1:28
Example: -3/5 + 1/7 2:29
Adding Different Forms of Rational Numbers 3:23
Example: Change to Fractions 3:31
Example: Change to Decimals 5:14
Extra Example 1: Adding Different Forms of Numbers 7:02
Extra Example 2: Exercising 10:06
Extra Example 3: Adding Different Forms of Numbers 11:20
Extra Example 4: Cooking Recipe 13:47
Subtracting Rational Numbers 14:40
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:19
Least Common Denominator (LCD) 0:20
Subtracting with Unlike Denominators 0:41
Example: 5/9 - 3/5 0:44
Example: 3/4 - 7/8 1:23
Subtracting Rational Numbers 1:59
Example: 23/4 - 3.5 2:05
Example: 11.7 - 3/4 3:39
Subtracting Rational Numbers in Word Problems 4:37
Puppy's Weight 4:41
Extra Example 1: Subtracting with Unlike Denominators 6:48
Extra Example 2: Subtracting Rational Numbers 7:27
Extra Example 3: Rainfall 10:32
Extra Example 4: Decorating Your House 12:06
Multiplying Rational Numbers 11:02
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:17
Rational Number 0:18
Exponent 0:30
Power 0:35
Multiplying Decimals 0:47
Example 1: Multiplying Decimals 0:50
Example 2: Multiplying Decimals 1:18
Multiplying Rational Numbers in Word Problems 1:51
Example: Length of Pipes 1:56
Raising a Fraction to a Power 2:58
Examples: Raising Fractions to Power 2:59
Extra Example 1: Multiplying Fractions 4:45
Extra Example 2: Compare Fractions 5:34
Extra Example 3: Flour 7:28
Extra Example 4: Income 8:50
Dividing Rational Numbers 12:08
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:22
Reciprocal 0:26
Finding the Reciprocal 0:56
Example: Reciprocal of 2/3 1:00
Example: Reciprocal of 8 1:04
Example: Reciprocal of -1/2 1:10
Dividing Rational Numbers 1:28
Example 1: Dividing Rational Numbers 1:35
Example 2: Dividing Rational Numbers 2:09
Example 3: Dividing Rational Numbers 2:35
Dividing Rational Numbers in Word Problems 3:56
Example: Chocolate Peanuts 4:00
Extra Example 1: Dividing Decimals 5:17
Extra Example 2: Dividing Fractions 7:09
Extra Example 3: Search Committee 8:34
Extra Example 4: Stake 10:18
Solving Equations by Adding or Subtracting 13:43
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
What You'll Learn and Why 0:23
Isolate 0:24
Solving Equations with Fractions 0:41
Example: n + 1/2 = 11/12 0:44
Example: 3/5 - a = 13/20 1:34
Writing Equations with Fractions 3:08
Example: Thickness 3:11
Extra Example 1: Solving Equations 6:01
Extra Example 2: Solving Equations 6:58
Extra Example 3: School Lunches 8:23
Extra Example 4: Fashion Designer 10:44
Solving Equations by Multiplying 11:10
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:20
Multiplicative Inverse 0:21
Solve Each Equation 0:51
Example 1: Solve the Equation 0:57
Example 2: Solve the Equation 2:39
Writing Multiplication Equations 3:30
Example: Water Level 3:34
Extra Example 1: Solve the Equation 5:15
Extra Example 2: Solve the Equation 6:28
Extra Example 3:Money 7:26
Extra Example 4: Solve the Equation 9:45
Zero and Negative Exponents 6:41
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:22
Zero Exponents: Arithmetic Definition 0:27
Zero Exponents: Algebra Definition 0:39
Negative Exponents: Arithmetic Definition 0:46
Negative Exponents: Algebra Definition 1:03
Simplifying Exponents 1:18
Examples: Simplifying Exponents 1:21
Fractions and Negative Exponents 2:41
Examples: Fractions and Negative Exponents 2:45
Extra Example 1: Negative Exponent 3:58
Extra Example 2: Zero Exponent 4:30
Extra Example 3: Fraction and Negative Exponent 4:40
Extra Example 4: Subtracting Numbers with Exponents 5:00

## Section 6: Rates and Proportions

Ratios 7:05
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:22
Ratio 0:23
Equivalent Ratios 0:40
Writing a Ratio 1:18
Write the Ratio in Three Ways 1:21
Writing an Equivalent Ratio 2:07
Different Ratios Equivalent to 10:12 2:08
Writing a Ratio in Simplest Form 2:47
Write the Ratio in Simplest Form 2:50
Extra Example 1: Write the Ratio 3:32
Extra Example 2: Ratio in Simplest Form 4:38
Extra Example 3: Write the Ratio 5:08
Extra Example 4: Ratio in Simplest Form 5:48
Rates 12:45
Intro 0:00
What You'll Learn and Why 0:04
Topics Overview 0:05
Vocabulary 0:18
Rate 0:22
Unit Rate 0:40
Finding a Unit Rate 1:00
Example: Delivery Rate 1:03
Using a Unit Rate 1:46
Example: Miles and Gallon of Gas 1:49
Comparing Unit Rates 2:52
Example: Which is the Better Buy 2:58
Extra Example 1: Calories 6:30
Extra Example 2: Typing Speed 7:22
Extra Example 3: Which is the Better Buy 8:23
Extra Example 4: Wages 10:48
Dimensional Analysis 16:19
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:15
Conversion Factor 0:16
Dimensional Analysis 0:23
Conversion Chart: Length 0:32
Conversion Chart: in, ft, yd, and m 0:33
Conversion Chart: Weight 0:49
Conversion Chart: oz, lb, and t 0:50
Conversion Chart: Capacity 0:59
Conversion Chart: fl oz, cup, pt, qt, and gal 1:00
Converting Units 1:17
Example: Convert 1.3 Miles Into Feet 1:18
Converting Units 3:14
Example: Convert Pounds to Ounces 3:15
Example: Convert Cups to Fluid Ounces 3:52
Converting Units in a Rate 4:30
Unit Rate: 2,200 m in 17.2 min 4:31
Using Dimensional Analysis 8:06
Example: Planning Project 8:07
Extra Example 1: Converting Units 9:15
Extra Example 2: Unit Rate 10:31
Extra Example 3: Planning Project 12:15
Extra Example 4: Converting Units 13:45
Application of Rates 17:42
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:18
Rate 0:22
Unit Rate 0:27
Finding Total Distance 0:32
Example: Total Distance 0:33
Finding Average Speed 2:49
Example: Car's Average Speed 2:53
Using a Unit Rate 6:31
Example: Weight and Spring 6:32
Extra Example 1: Total Distance 8:08
Extra Example 2: Bird's Average Speed 10:33
Extra Example 3: Cost of Shirts 13:37
Extra Example 4: Cost of Bottles 15:22
Proportions 14:36
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:16
Proportion 0:17
Cross Products 0:45
Identifying a Proportion 11:28
Example: Do the Ratios Form a Proportion? 11:29
Solving Proportions Using Two Methods 2:47
Example: x/4 = 12/21 3:03
Example: 20/y = 15/9 4:43
Solving Proportions in Word Problems 5:56
Example: Find the Unit Rate of Exchange 6:00
Extra Example 1: Does the Ratio Form a Proportion? 9:55
Extra Example 2: Solving Proportions 10:53
Extra Example 3: Find the Length of the Photo 11:33
Extra Example 4: Distance 12:59

## Section 7: Applications of Percent

Fractions, Decimals, and Percents 10:13
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:24
Percent 0:25
Compare a Fraction to a Decimal to a Percent 0:35
Example: 31 out of 100 0:39
Write a Percent as a Fraction 1:11
Example: Write 47% as a Fraction 1:12
Example: Write 25% as a Fraction 1:59
Write a Fraction as a Percent 2:38
Example: Write 2/10 as a Percent 2:39
Example: Write 57/100 as a Percent 3:22
Example: Write 3/25 as a Percent 3:57
Write a Decimal as a Percent 4:48
Example: Write 0.85 as a Percent 4:49
Example: Write 0.3 as a Percent 5:05
Example: Write 0.04 as a Percent 5:17
Extra Example 1: Write Percent as Decimal and Fraction 5:34
Extra Example 2: Write Fraction as Decimal and Percent 6:47
Extra Example 3: Write Percent as Fraction and Decimal 7:41
Extra Example 4: Fraction, Percent, and Decimal of Students 8:36
Finding a Percent of a Number 8:39
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:20
Percent 0:21
Finding a Percent 0:26
Example: Find 15% of 100 0:27
Example: Find 10% of 135 1:08
Finding More Percents 2:23
Example: Find 8% of 65 2:25
Example: Find 120% of 50 2:45
Estimating a Percent 3:25
Example: Estimate 10% of 31.05 3:38
Example: Estimate 15% of 31.05 3:54
Example: Estimate 20% of 31.05 4:55
Extra Example 1: Find 7% of 120 5:35
Extra Example 2: Find 125% of 75 6:01
Extra Example 3: Estimate 15% Tip 7:02
Extra Example 4: Estimate 20% Tip 8:01
Percents and Proportions 15:38
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:23
Proportion 0:33
Cross Products 0:38
Finding Part of a Whole 1:07
Method 1: Find 50% of 36 1:11
Method 2: Find 50% of 36 2:23
Finding Part of a Whole, cont. 3:06
Example: Find 65% of 143 3:07
Finding the Whole Amount 3:44
Example: How Many Students are in 8th Grade? 3:45
Finding the Whole Amount, cont. 5:18
Example: How Many Students are in the School? 5:19
Finding a Percent 6:38
Method 1: What Percent of 175 is 105 7:21
Method 2: What Percent of 175 is 105 8:49
Finding a Percent, cont. 9:57
What Percent of 115 is 46? 9:58
Extra Example 1: Find 8% of 48 11:09
Extra Example 2: 9 is 25% of What Number? 11:34
Extra Example 3: How Many Students are in the Class? 12:39
Extra Example 4: 66 is What Percent of 55? 14:25
Percent of Change 11:27
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:17
Percent of Change 0:18
Amount of Change/ Original Amount 0:26
Finding a Percent of Increase 1:04
Example: Find the Percent of Increase 1:06
Converting Units 2:56
Example: Converting Units and Percent Increase 3:00
Finding a Percent of Decrease 5:08
Example: Find the Percent of Decrease 5:09
Extra Example 1: Find the Percent of Increase 6:32
Extra Example 2: Find the Percent of Decrease 7:30
Extra Example 3: Find the Percent of Increase 8:28
Extra Example 4: Find the Percent of Decrease 10:23
Applications of a Percent 12:55
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:22
Markup 0:23
Selling Price 0:28
Formula of Markup 0:32
Formula for Discount 1:06
Finding a Percent of Markup 1:16
Example: Find the Percent of Markup 1:19
Finding a Percent of Discount 3:19
Example: Find the Percent of Discount 3:21
Finding a Sale Price 5:03
Example: Find the Sale Price of the Stereo System 5:10
Extra Example 1: Find the Percent of Markup 6:39
Extra Example 2: Find the Percent of Discount 8:57
Extra Example 3: Find the Percent of Discount 9:52
Extra Example 4: Find the Percent of Discount 10:44

## Section 8: Linear Functions and Graphing

Graphing in the Coordinate Plane 15:13
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:17
Coordinate Plane 0:23
y-axis 0:29
x-axis 0:33
More Vocabulary 0:49
Origin 0:50
Ordered Pair 0:53
x-coordinate 1:00
y-coordinate 1:08
Labeling Vocabulary 1:24
Example: Label the Vocabulary 1:25
Graphing Points on a Coordinate Plane 3:08
Example: Graph and Label the Locations 3:12
Example: Name the Quadrants of Each Ordered Pair 6:23
Extra Example 1: Draw and Label 10:18
Extra Example 2: Graph the Ordered Pair 11:20
Extra Example 3: Graph the Ordered Pair 12:42
Extra Example 4: Name the Quadrants of Each Ordered Pair 13:32
Length in the Coordinate Plane 18:36
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:18
x-coordinate 0:21
y-coordinate 0:28
Pythagorean Theorem 0:34
Finding Lengths of Line Segments 1:02
Example: Find the Length of the Horizontal Line Segment 1:05
Finding Lengths of Line Segments 3:50
Example: Find the Length of the Vertical Line Segment 3:54
Finding Distance in the Coordinate Plane 5:59
Example: Find the Length of the Hypotenuse 6:02
Extra Example 1: Find the Distance Between Two Points 7:36
Extra Example 2: Find the Length of the Line Segment 10:13
Extra Example 3: Find the Length of the Line Segment 14:28
Extra Example 4: How Far is Your School from the Arcade? 16:02
Functions 14:29
Intro 0:00
What You'll Learn and Why 0:04
Topics Overview 0:05
Vocabulary 0:24
Function 0:25
Function Rule 0:51
Evaluating a Function Rule 0:59
Example: Table of Input and Output 1:00
Using Function Notation 2:56
Example: Write the Equation and Evaluate the Cost 2:59
Writing Functions 4:40
Example: Writing Function 4:41
Extra Example 1: Complete the Table 6:02
Extra Example 2: Complete the Table and Find the Function 7:38
Extra Example 3: Function Notation 9:39
Extra Example 4: Write a Function and Find the Total Cost 11:49
Graphing Linear Functions 16:02
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:21
Solution 0:22
Linear Equation 0:29
Linear Function 0:44
Making a Graph from a Table 1:05
Example: Total Savings in Dollars 1:08
Graphing a Linear Function 3:03
Example: Graph the Linear Function 3:07
Extra Example 1: How Much Cereal is Left? 5:42
Extra Example 2: Graph the Value 7:45
Extra Example 3: Graph the Linear Function 10:17
Extra Example 4: Graph the Linear Function 12:28
Slope 17:53
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:15
Slope Definition 1 0:18
Slope Definition 2 0:40
Slope 1:20
Positive Slope 1:32
Negative Slope 1:39
Slope of 0 2:10
Undefined Slope 2:25
Finding the Slope of a Line 3:57
Example: Using Rise/Run to Find Slope 3:58
Finding the Slope of a Line 6:01
Example: Using Coordinates to Find Slope 6:02
Finding Slope of a Line With Given Coordinates 9:00
Example: Slope of (4,1) and (3, -2) 9:01
Extra Example 1: Find the Slope of the Line 10:17
Extra Example 2: Find the Slope of the Line 12:19
Extra Example 3: Find the Slope of the Line 14:54
Extra Example 4: Find the Slope of the Line 16:35
Slope and Direct Variation 13:50
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:33
Direct Variation 0:34
Identifying a Direct Variation 0:47
Steps in Identifying a Direct Variation 0:56
Slope and Direct Variation 3:01
Example: Slope and Direct Variation 3:05
Extra Example 1: Direct Variation 6:16
Extra Example 2: Direct Variation 7:14
Extra Example 3: Graphing Direct Variation 8:10
Extra Example 4: Slope and Direct Variation 11:23

## Section 9: Inequalities

Writing Inequalities 17:32
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:15
Inequality 0:18
System of Inequalities 1:31
Solution of an Inequality 1:50
Writing an Inequality 2:10
Example: Price p is More than \$6 2:20
Writing an Inequality 3:53
Example: Wage w is at Least \$8.25 3:54
Writing a System of Inequalities 5:24
Example: System of Inequalities for Wind Speed 5:32
Writing a System of Inequalities 9:03
Example: Price of a Room in Las Vegas 9:04
Identifying Solutions of an Inequality 10:33
Example: Driver's Permit 10:37
Extra Example 1: Writing Inequalities 12:03
Extra Example 2: Writing a System of Inequalities 13:24
Extra Example 3: Writing Inequalities 14:51
Extra Example 4: Using Inequality to Solve Word Problem 15:31
Solving Inequalities by Adding or Subtracting 9:16
Intro 0:00
What You'll Learn and Why 0:07
Topics Overview 0:08
Vocabulary 0:20
Subtraction Property of Equality 0:43
Example: x > 7 0:57
Solving an Inequality by Adding 1:33
Example: Solve x - 8 = 10 1:37
Example: Solve x - 8 < 10 2:05
Solving an Inequality by Adding 2:21
Example: 2 ≤ t - 5 2:22
Example: a - 8 > 15 2:59
Solving an Inequality by Subtracting 3:14
Example: How Many Students can Board the Bus? 3:22
Solving an Inequality by Subtracting 4:13
Example: How Many More Tickets can be Sold? 4:14
Extra Example 1: Solve the Inequality 5:16
Extra Example 2: Solve 8 ≥ 3 + m 5:52
Extra Example 3: MP3 Player 6:29
Extra Example 4: Write and Solve an Inequality 7:34
Solving Inequalities by Dividing 12:15
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:22
Division Property of Inequality 0:23
Example: 3x > 6 0:37
Dividing by a Positive Number 1:08
Example: Hotel Elevator 1:11
Dividing by a Negative Number 2:29
Example: Solve -6x ≥ -18 2:32
Example: Suppose x = 2 3:13
Dividing by a Negative Number 4:58
Example: Solve -3t ≥ 51 5:05
Example: Solve -8m < -56 5:24
Extra Example 1: Photo Album 5:49
Extra Example 2: Banquet 8:05
Extra Example 3: Solve -0.5x > 18 9:24
Extra Example 4: How Many Crates can the Crane Lift? 10:30
Solving Inequalities by Multiplying 14:33
Intro 0:00
What You'll Learn and Why 0:07
Topics Overview 0:08
Vocabulary 0:17
Multiplication Property of Inequality 0:18
Multiplying by a Positive Number 1:25
Example: Write and Solve an Inequality 1:28
Multiplying by a Positive Number 3:38
Example: Write and Solve an Inequality 3:39
Multiplying by a Negative Number 5:42
Example: Solve x/-4 > 28 5:45
Example: Solve (-1/2)y < -8 6:10
Example: t/-7 < 5 6:42
Extra Example 1: Bowling League 7:12
Extra Example 2: Street Performers 8:27
Extra Example 3: Write and Solve the Inequality 9:52
Extra Example 4: Solve and Graph the System of Inequalities 11:26
Solving Two-Step Inequalities 14:15
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:15
Inequality 0:16
Properties of Inequality 0:27
Solving Two-Step Inequalities 0:37
Example: Solve -2x - 8 > -14 0:41
Example: Solve (x/4) - 7 > 25 1:40
Example: Solve -5y + 9 ≤ 54 2:12
Writing Two-Step Inequalities 3:16
Example: How Many Pairs of Socks? 3:21
Writing Two-Step Inequalities 5:49
Example: How Many Folders? 5:53
Extra Example 1: Solve 15 < -3 ( x + 1 ) 7:32
Extra Example 2: Solve the Inequalities 8:43
Extra Example 3: Muffin 10:37
Extra Example 4: Birthday Party 11:51

## Section 10: Exponents and Equations

Properties of Exponents 12:07
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:26
Exponent 0:29
Power 0:44
Multiplying Powers with the Same Base 1:04
Example: Multiplying Powers with the Same Base 1:07
Multiplying Expressions with Exponents 2:25
Examples 2:26
Dividing Powers with the Same Base 3:24
Example: Dividing Powers with the Same Base 3:25
Dividing Expression with Exponents 3:59
Example: How Long Sunlight Takes to Reach the Comet 4:02
Dividing Expression with Exponents 6:44
Example: How Long Sunlight Takes to Reach Earth 6:45
Extra Example 1: Multiplying Expressions with Exponents 8:22
Extra Example 2: Dividing Expression with Exponents 8:46
Extra Example 3: How Long Sunlight Takes to Reach Saturn 9:12
Extra Example 4: Sun's Diameter and Earth's Diameter 10:34
Power Rules 11:58
Intro 0:00
What You'll Learn and Why 0:04
Topics Overview 0:05
Vocabulary 0:15
Exponent 0:18
Power 0:34
Raising a Power to a Power 0:44
Example: Raising a Power to a Power 0:47
Raising a Power to a Power 2:38
More Examples 2:42
Raising a Product to a Power 3:00
Example: Raising a Product to a Power 3:01
Raising a Product to a Power 4:00
Example: Surface Area of a Plant Cell 4:12
Example: Surface Area of the Moon 6:15
Extra Example 1: Raising Power to a Power 8:08
Extra Example 2: Complete the Inequality Statement 8:22
Extra Example 3: Find the Area of a Square 8:51
Extra Example 4: Find the Area of a Circle 10:28
Exploring Roots 9:39
Intro 0:00
What You'll Learn and Why 0:05
Topics Overview 0:06
Vocabulary 0:17
Square Root 0:21
Roots 1:13
The Root Symbol 2:10
Root Symbols 2:11
Finding Roots of a Number 2:41
Examples 2:42
Simplifying Expressions with Roots 4:41
Example: Simplify the Expression 4:42
Simplifying Expressions with Roots 5:42
Example: Simplify the Expression 5:43
Extra Example 1: Finding Roots of a Number 6:36
Extra Example 2: Simplifying Expressions with Roots 7:11
Extra Example 3: Simplifying Expressions with Roots 7:36
Extra Example 4: Simplifying Expressions with Roots 8:34
Simplifying Algebraic Expressions 12:43
Intro 0:00
What You'll Learn and Why 0:07
Topics Overview 0:08
Vocabulary 0:23
Term 0:28
Like Terms 0:35
Combining Like Terms 1:18
Example: 2y + y - 15y 1:20
Example: -x - 5x 2:16
Writing and Simplifying Expressions 2:57
Example: Total Cost of Drinks 2:58
Writing and Simplifying Expressions 4:48
Example: Total Cost of Apples 4:49
Distributing and Simplifying 5:42
Simplify: 4x - 2( x + 6 ) 5:46
Simplify: 3( 2y + 2 ) - 4y 6:57
Extra Example 1: Simplify the Expression 7:52
Extra Example 2: Distributing and Simplifying 8:18
Extra Example 3: Writing and Simplifying Expressions 9:35
Extra Example 4: Distributing and Simplifying 10:50
Solving Multi-Step Equations 18:35
Intro 0:00
What You'll Learn and Why 0:06
Topics Overview 0:07
Vocabulary 0:17
Like Terms 0:21
Distributive Property 0:49
Simplifying Before Solving an Equation 1:37
Example: 8x + 45 - 12x = 9 1:40
Example: -15 = 6b + 12 - 3b + 6 3:25
Using the Distributive Property 4:50
Example: Haiti Relief Efforts 4:51
Using the Distributive Property 7:50
Example: Amusement Park 7:51
Extra Example 1: Simplify and Solve 11:34
Extra Example 2: Simplify and Solve 12:21
Extra Example 3: Simplify and Solve 13:18
Extra Example 4: Mailing Letters 14:53
Solving Equations with Variables on Both Sides 18:50
Intro 0:00
What You'll Learn and Why 0:07
Topics Overview 0:08
Vocabulary 0:26
Term 0:30
Like Terms 0:44
Variables on Both Sides 1:10
Example: 3x + 24 = 9x 1:11
Example: -7 - 3x = 1 + 5x 2:16
Using the Distributive Property 4:01
Example: Height of Two Plants 4:02
Using the Distributive Property 9:01
Example: Running Laps 9:02
Extra Example 1: Solving Equations with Variables on Both Sides 11:59
Extra Example 2: Solving Equations with Variables on Both Sides 12:46
Extra Example 3: Solving Equations with Variables on Both Sides 14:18
Extra Example 4: Cost of Renting Video 15:24

## Section 11: Test-Taking Strategies

Test Taking Strategy Part 1 12:55
Intro 0:00
Finding Needed Information 1:02
Example: Finding Needed Information 1:25
Extra Example 1: Finding Needed Information 2:36
Extra Example 2: Finding Needed Information 4:10
Using Mental Math 6:10
Use Mental Math to Eliminate Unreasonable Answers 6:16
Example: Using Mental Math 6:47
Extra Example 1: Simplify Using Mental Math 8:54
Extra Example 2: Mental Math and Total Cost 9:36
Extra Example 3: Account Balance 11:15
Test Taking Strategy Part 2 11:24
Intro 0:00
Working Backward 0:06
Example: Working Backward 0:38
Extra Example 1: Equivalent Expression 2:54
Extra Example 2: Miles Per Gallon 4:13
Extra Example 3: Miles Per Hour 5:14
Choosing the Process 6:12
Strategies for Choosing the Process 6:19
Example: Dimensions of the Fenced Area 6:48
Extra Example 1: Choosing the Process 8:28
Extra Example 2: Choosing the Process 10:01
Test Taking Strategy Part 3 11:36
Intro 0:00
Example: Height of a Plant 0:49
Extra Example 1: Distance 2:36
Extra Example 2: Decimal 4:11
Using a Variable 4:50
Variables Represent the Unknown 4:51
Example: Company Logo 5:20
Extra Example 1: Road Trip 6:31
Extra Example 2: Proportion 9:03
Test Taking Strategy Part 4 20:13
Intro 0:00
Eliminate Answers and Educated Guess 0:07
Example: Election 0:28
Extra Example 1: Football Kicker 2:42
Extra Example 2: Percent 4:09
Example: Inequality 6:43
Extra Example 1: Cost of Cheese 8:12
Extra Example 2: Inequality 9:40
Drawing a Diagram 11:35
Diagrams 11:36
Example: Drawing a Diagram to Show Distance 12:03
Extra Example 1: Drawing a Diagram to Show Distance 15:22
Extra Example 2: Height 17:48

Duration: 19 hours, 30 minutes

Number of Lessons: 62

This online course is perfect for high school students and college students looking to have a solid foundation in Pre-Algebra, which is indispensable for setting up a proper mathematical background to succeed in more advanced math and science courses.

• Free Sample Lessons
• Practice Questions
• Study Guides

Topics Include:

• Algebraic Expressions
• Multiplying Integers
• Solving Two-Step Equations
• Prime Factorization
• Greatest Common Divisor
• Rational Numbers
• Rates
• Applications of a Percent
• Slope
• Power Rules

Professor Nancy Fung obtained her Master’s of Education at Drexel University with a concentration in the Science of Instruction and Research-based Teaching Techniques, along with her B.A. from Cornell University.  She has 10+ years of Pre-Algebra at  top charter schools.

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