6th Grade Ratios and Proportions Flashcard

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you determine if two ratios form a proportion?

Back

Two ratios form a proportion if they are equivalent, meaning that the cross products of the ratios are equal.

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CCSS.7.RP.A.2A

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' something.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms of the ratio by their greatest common divisor (GCD).

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the relationship between ratios and fractions?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean for a relationship to be proportional?

Back

A relationship is proportional if two quantities maintain a constant ratio or rate.

Tags

CCSS.7.RP.A.2A

Front

How can you express a ratio in different forms?

Back

A ratio can be expressed in fraction form, as a decimal, or in the form of 'a to b'.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of thick-crust pizzas to total pizzas if there are 39 pizzas and 33 are thin crust?

Back

The ratio of thick-crust pizzas to total pizzas is 6:39.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a class has 26 flutes and 91 clarinets, what is the flute to clarinet ratio?

Back

The flute to clarinet ratio is 26:91.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the first step in solving a problem involving ratios?

Back

Identify the quantities being compared and express them as a ratio.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2