Home » Mathematics » Pre Algebra » Solving Addition Equations

Nancy Fung

Nancy Fung

Solving Addition Equations

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Table of Contents

Section 1: Variables and Algebraic Expressions
Numerical Expressions

13m 41s

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

9m 11s

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

8m 24s

Intro
0:00
What You'll Learn and Why
0:05
Topics Overview
0:06
Vocabulary
0:15
Addition
0:26
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

10m 20s

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

12m 1s

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

9m 40s

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

11m 35s

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
Adding Integers

10m 20s

Intro
0:00
What You'll Learn and Why
0:05
Topics Overview
0:06
Vocabulary
0:26
Integers
0:30
Adding Positive Integers
0:55
Example : -3 + -7
1:01
Example : +11 + 8
1:06
Example : 2 + (+6)
1:21
Adding Negative Integers
1:43
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

12m 1s

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

14m 28s

Intro
0:00
What You'll Learn and Why
0:05
Topics Overview
0:06
Vocabulary
0:43
Integers
0:47
Opposites
1:03
Repeated Addition
1:41
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
Rules for Multiplying Same Sign Integers
7:20
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

20m 18s

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
Arithmetic (Same Sign Integers)
1:03
Algebraic (Same Sign Integers)
1:36
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

20m 5s

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
Multiplying/Dividing and Adding/Subtracting
8:34
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
Solving Addition Equations

21m 47s

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

19m 34s

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

26m 11s

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

19m 10s

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

12m 16s

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

14m 49s

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

16m 15s

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

16m 40s

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

14m 16s

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

11m 22s

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

20m 47s

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

20m 21s

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
Cookies or French Fries?
9:22
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
Adding Rational Numbers

15m 4s

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

14m 40s

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

11m 2s

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

12m 8s

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

13m 43s

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

11m 10s

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

6m 41s

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

7m 5s

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

12m 45s

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

16m 19s

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

17m 42s

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

14m 36s

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

10m 13s

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

8m 39s

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

15m 38s

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

11m 27s

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

12m 55s

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

15m 13s

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
Quadrants
0:37
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
Quadrants
6:18
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

18m 36s

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

14m 29s

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

16m 2s

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

17m 53s

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

13m 50s

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

17m 32s

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

9m 16s

Intro
0:00
What You'll Learn and Why
0:07
Topics Overview
0:08
Vocabulary
0:20
Addition Property of Equality
0:31
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

12m 15s

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

14m 33s

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

14m 15s

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

12m 7s

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

11m 58s

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

9m 39s

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

12m 43s

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

18m 35s

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

18m 50s

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

12m 55s

Intro
0:00
Finding Needed Information
1:02
Ask Yourself
1:07
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

11m 24s

Intro
0:00
Working Backward
0:06
Substitute Multiple Choice Answers
0:08
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

11m 36s

Intro
0:00
Eliminating the Answer
0:06
Eliminate Wrong Answers
0:07
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

20m 13s

Intro
0:00
Eliminating the Answer
0:06
Eliminate Answers and Educated Guess
0:07
Example: Election
0:28
Extra Example 1: Football Kicker
2:42
Extra Example 2: Percent
4:09
Answering the Question Asked
6:19
Answer the Question Correctly
6:20
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
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