Equivalent Ratios

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What are equivalent ratios?

Back

Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different.

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CCSS.6.RP.A.3A

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they can be simplified to the same fraction.

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CCSS.6.RP.A.3A

Front

What is the ratio of red paint to yellow paint if there are 6 teaspoons of red paint and 10 teaspoons of yellow paint?

Back

The ratio is 6:10, which simplifies to 3:5.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 9 cups of flour?

Back

6 cups of sugar are needed, as the ratio 2:3 means for every 3 parts of flour, there are 2 parts of sugar.

Front

What is a double number line?

Back

A double number line is a visual representation that shows two sets of numbers and their relationships, often used to illustrate ratios.

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CCSS.7.RP.A.2D

Front

If 18 people can go down a slide in 3 minutes, how many people can go down in 1 minute?

Back

6 people can go down the slide in 1 minute.

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CCSS.6.RP.A.3B

Front

What is the relationship between the number of people and time in the water slide example?

Back

The relationship is inversely proportional; as the number of people decreases, the time taken also decreases.

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CCSS.7.RP.A.2D

Front

How do you write a ratio from a table?

Back

To write a ratio from a table, compare the quantities of the two items listed in the table.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If the ratio of green beans to peas is 31:13, how many peas are there if there are 93 green beans?

Back

There are 39 peas, as the ratio 31:13 means for every 31 green beans, there are 13 peas.