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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

Percents of Change
7413 Views

This video covers how to calculate percents of change by demonstrating how to calculate a price change. Just divide the price decrease by the origi...

Porcentajes de Cambio
189 Views

Larry, el cangrejo, necesita un nuevo controlador para su Lbox y le gustaría 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...

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Proportions Videos 8 videos

Solving Proportions Using Cross Products
6803 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...

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?

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Ratios Videos 12 videos

GED Math 2.4 Rational Numbers
190 Views

GED Math 2.4 Rational Numbers. Lucius's favorite restaurant is how many km from his home?

GED Math 2.5 Rational Numbers
192 Views

GED Math 2.5 Rational Numbers. How much time does it take Lucius to get to work?

GED Math 4.5 Rational Numbers
194 Views

GED Math 4.5 Rational Numbers. How much did Dez deposit into her savings account?

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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 6.3 Algebra and Functions
235 Views

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...

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?

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