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

SAT Math 10.3 Geometry and Measurement. What is the ratio of birds to dogs?


Percent Change Videos 8 videos

Porcentajes de Cambio
188 Views

Larry, el cangrejo, necesita un nuevo controlador para su Lbox y le gustarĂ­a saber que tan barato lo pudiera comprar ahora, a diferencia de hace a...

CAHSEE Math 6.3 Algebra I
182 Views

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...

CAHSEE Math 2.5 Number Sense
304 Views

Number Sense: Drill Set 2, Problem 5. By what percent did his percentage grade increase from one test to the other?

See All

Percents Videos 20 videos

Percents and Proportions
4514 Views

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
2408 Views

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...

Word Problems with Percents
658 Views

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...

See All

Proportions Videos 8 videos

ACT Math 1.2 Pre-Algebra
891 Views

ACT Math: Pre-Algebra Drill 1.2. What proportion of Jenna's day is spent Wii-swimming?

ACT Math 5.5 Pre-Algebra
347 Views

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?

Solving Proportions Using Cross Products
6802 Views

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...

See All

Ratios Videos 12 videos

ACT Math 4.4 Pre-Algebra
509 Views

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
3336 Views

SAT Math 10.3 Geometry and Measurement. What is the ratio of birds to dogs?

SAT Math 8.4 Geometry and Measurement
327 Views

SAT Math 8.4 Geometry and Measurement

See All

Unit Rate Videos 9 videos

Unit Rate
20718 Views

Approximately 874 people per day wonder what a unit rate is. If you're one of them, check out our video on unit rates and how to use them. (We just...

CAHSEE Math 6.4 Algebra and Functions
214 Views

Algebra and Functions: Drill Set 6, Problem 4. How many miles can Karen run in 12.5 minutes?

SAT Math 2.4 Algebra and Functions
187 Views

SAT Math 2.4 Algebra and Functions

See All