Ratios/Rates/Unit Rate

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or with the word 'to' (e.g., 3 to 2).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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What is the ratio of girls to boys if there are 9 girls and 7 boys?

Back

The ratio of girls to boys is 9 to 7.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' (e.g., miles per hour).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find a constant rate of change from a table?

Back

To find a constant rate of change, divide the change in the dependent variable by the change in the independent variable for any two points.

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CCSS.HSF-LE.A.1B

Front

If a call costs $0.10 per minute, what is the cost for 15 minutes?

Back

The cost for 15 minutes would be $1.50 (15 minutes x $0.10 per minute).

Tags

CCSS.6.RP.A.3B

Front

What is the ratio of blue marbles to red marbles if there are 3 blue and 7 red?

Back

The ratio of blue marbles to red marbles is 3:7.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a ratio is written incorrectly?

Back

It means that the relationship between the two quantities is not accurately represented, which can lead to misunderstandings or errors in calculations.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the significance of the term 'rate' in mathematics?

Back

In mathematics, a rate is a specific kind of ratio that compares two different kinds of quantities, often involving time.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms of the ratio by their greatest common divisor.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2