Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as speed (miles per hour) or price per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the quantity by the number of units. For example, if you travel 300 miles in 5 hours, the unit rate is 300 miles ÷ 5 hours = 60 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, 2:3 and 4:6 are equivalent ratios.

Tags

CCSS.6.RP.A.3A

Front

How can you use proportions to solve problems?

Back

Proportions can be used to solve problems by setting two ratios equal to each other and cross-multiplying to find the unknown value.

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CCSS.7.RP.A.3

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula for calculating speed?

Back

Speed is calculated using the formula: Speed = Distance ÷ Time.

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CCSS.6.RP.A.3B

Front

If a car travels 240 miles in 4 hours, what is its speed?

Back

The speed of the car is 240 miles ÷ 4 hours = 60 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the expected value in a probability scenario?

Back

To find the expected value, multiply each outcome by its probability and sum all the products.

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CCSS.HSS.MD.A.2

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2