ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
Ratios, Percentages, and Proportions Videos
SAT Math 10.3 Geometry and Measurement. What is the ratio of birds to dogs?
Percent Change Videos 8 videos
CAHSEE Math: Algebra I Drill 6, Problem 3. If x ounces of a 10% salt solution are added with 20 ounces of a 50% salt solution to create a comb...
Number Sense: Drill Set 2, Problem 5. By what percent did his percentage grade increase from one test to the other?
Number Sense: Drill Set 3, Problem 1. This is a decrease of, approximately, what percent?
Percents Videos 20 videos
Looking to con someone out of 40% of a pizza? You've come to the right place. Just don't try that on us.
Converting percents to decimals is easy: just move the decimal point two to the left. Yep, that's it. To the left, to the left... convertin' th...
If the value of a painting increases by 15 percent every year, what was it worth 5 years ago? Hold up: why would you want to sell it now? In a few...
Proportions Videos 8 videos
This video covers how to use cross products to solve for a missing number in a proportion by setting that proportion with a variable over the produ...
ACT Math: Pre-Algebra Drill 1.2. What proportion of Jenna's day is spent Wii-swimming?
ACT Math: Pre-Algebra Drill 5, Problem 5. How many red cards must be added so that the proportion of red cards is one half?
Ratios Videos 12 videos
ACT Math: Pre-Algebra Drill 4, Problem 4. Using the information given, find out how many girls attend the school.
SAT Math 10.3 Geometry and Measurement. What is the ratio of birds to dogs?
Unit Rate Videos 9 videos
Algebra and Functions: Drill Set 6, Problem 3. How many fritters are made during the typical breakfast hours between 6:00AM and 11:30AM at thi...
Algebra and Functions: Drill Set 6, Problem 4. How many miles can Karen run in 12.5 minutes?
Pick the expression that best represents the cost in dollars of riding m miles in a taxi.