Khan Academy Videos - Ratio, Rates, Percentages

-- Ratio, Rates, Percentages

Below are video lessons and practice problems provided by Khanacademy.org.   

Describing Ratios

 

• Introduction to Ratios
• Ratios as Fractions
• Practice – Representing Ratios

 

Ratio Word Problems

 

• Ratio Word Problems 1
• Ratio Word Problems 2
• Practice – Ratio Word Problems
• Ratios with Tables 1
• Ratios with Tables 2
• Ratios with Tables 3
• Practice – Ratios with Tables

 

Rates

 

• Finding Unit Rates
• Finding Unit Rate Prices
• Practice – Rate Problems  

 

Percentages

 

• Meaning of a Percent 1
• Meaning of a Percent 2
• Numbers in Decimal, Percent, Fraction Form
• Converting Decimals to Percents 1
• Concerting Decimals to Percents 2
• Practice – Converting Decimals to Percents
• Converting Percents to Decimals 1
• Converting Percents to Decimals 2
• Practice – Converting Percents to Decimals
• Finding Percentages
• Percent Word Problems
• Taking a Percent
• Practice – Finding Percents

 

Percent Word Problem

 

• Percent Word Problems 1
• Percent Word Problems 2
• Percent Word Problems 3
• Percent Word Problems 4
• Percent Word Problems 5
• Practice – Percent Word Problems

 

Unit Conversion

 

• Convert Pound to Ounces
• Convert Gallons to Quarts, Pints, and Cups
• Converting Yards Into Inches
• Practice – Units
• Gas Cost for Road Trip
• Squirrel Survival
• Running Laps
• Unit Conversion – Drug Dosage
• Unit Conversion with Fractions