Crash Course
Intro to Big Data: Crash Course Statistics #38
What makes data big? The 38th installment in the series Crash Course Statistics provides a definition of big data and its origins. It shows various methods and resources on how to collect big data and how companies use big data for a...
PBS
Recognize and Represent Proportional Relationships between Quantities: Ratio, Proportion, Cross Multiply, and Divide
Review three video clips for one major concept. The resource contains three short clips to introduce the idea of ratios and proportions and how to solve a proportion. After watching the video, partners use their noses to push pom poms...
PBS
Real-Life Math | Athletic Trainer
The lesson is sure to get scholars' blood pumping. An athletic trainer highlights some uses of math in athletic training in a heart-pumping video. After watching it, pupils get together in groups to measure their resting heart rates and...
PBS
Real-Life Math | Health Educator
Get healthy using math (although exercise helps, too!). Future consumers analyze a set of nutritional labels to compare caloric and nutrition information for two cereal brands. After watching a video of a health educator explaining how...
PBS
Real-Life Math | Nurse
Quick, nurse, grab a calculator! A role-playing activity has groups measure vitals, such as heart rate, blood pressure, weight, etc. After viewing a video on how nurses use math in the workplace, scholars apply knowledge of rates and...
Anywhere Math
Rates
At this rate, you'll learn about rates in no time. An instructional YouTube video first shows how to determine unit rates. It then provides and solves two examples of real-world problems involving unit rates and pricing.
Math Antics
Ratios and Rates
Use ratios to compare numbers. The resource provides an explanation of the difference between fractions and ratios by pointing out that ratios are used to compare two quantities. The video introduces rates as special ratios that involve...
Krista King Math
Unit Price
Extend an understanding of ratios and proportions to include unit rates. The video lesson compares two prices of different sizes using two methods. The instructor first calculates a unit price for each product and compares the costs. The...
Virtual Nerd
How Do You Use Unit Rates to Compare Rates?
Cupcakes, cupcakes, cupcakes! Where shall we buy some cupcakes? There are two stores selling cupcakes and we would like to know which one has the better deal. The instructor demonstrates how to find a unit rate for the cupcakes at each...
Virtual Nerd
What are Rates and Unit Rates?
Rate is really a ratio of given quantities that you are comparing that have different units. A unit rate is a rate that has a denominator of one. The teacher gives a couple of examples for each term, rate and unit rate. The instructor is...
Government of Alberta
Learn alberta.ca: Math Interactives: Rate/ratio/proportion (Video Interactive)
The use of rate, ratio, and proportion is illustrated in this video about action photography. An additional interactive element allows students to explore equivalent ratios equivalencies through enlarging and reducing images to compare...
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Introduction to Ratios
This video introduces and explains the concept of ratios through a number of examples. Practice problems are available. [14:13]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Finding Unit Rates
This video shows how to find a unit rate in the context of a word problem. Practice problems are available. [2:31]
PBS
Pbs Learning Media: I <3 Math: What Is a Ratio?
This video is an introduction to the concept of ratios that provides real-world examples. This "I <3 Math" episode defines ratios, discusses combining ratios, and demonstrates the correct ways to write ratios. [2:37]
Loyola University Chicago
Math Flix: Writing Ratios 2
This QuickTime movie gives examples of writing ratios. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.
Math Mammoth
Math Mammoth: Unit Rates and More About Proportions
Explains what a unit rate is, how to calculate it, and how it relates to slope. [11:38]
Math Mammoth
Math Mammoth: How to Find the Unit Rate, Including With Fractions
Explains how to determine a unit rate, including when fractions are involved. This is followed by a demonstration of how to work with unit rates when solving a word problem and a graphing problem. [11:38]
Khan Academy
Khan Academy: Solving Ratio Problems With Tables: Example 1
Presents several examples of ratio tables and asks questions about the equivalent ratio values. [5:05]
Khan Academy
Khan Academy: Algebra: Ratio Problem With Basic Algebra
The algebra resource demonstrates how to solve ratio problems. Students learn about the concept through a video tutorial. [5:12]
Khan Academy
Khan Academy: Ratios With Algebra: Ratio Problem With Basic Algebra
A step-by-step breakdown on how to solve ratio problems with algebra.
Sophia Learning
Sophia: Equivalent Ratios
Students learn about equivalent ratios in this video lesson. The tutorial consists of detailed examples that explore the mathematics concept.