Illustrative Math Grade 6 Unit 2 Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows 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

How do you simplify a ratio?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of green marbles to blue marbles if there are 8 green and 20 blue marbles?

Back

The ratio of green to blue marbles is 2 to 5.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a field trip needs 3 adults for every 18 students, how many adults are needed for 72 students?

Back

12 adults are needed for 72 students.

Tags

CCSS.6.RP.A.3B

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.

Tags

CCSS.7.RP.A.2D

Front

If Toni can type 180 words in 2 minutes, how many words can she type in 3 minutes?

Back

Toni can type 270 words in 3 minutes.

Tags

CCSS.6.RP.A.3B

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate from a ratio, divide the first quantity by the second quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Kaleigh can get 3 apps for $9, what is the cost per app?

Back

The cost per app is $3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of apples to bananas if there are 3 apples and 12 bananas?

Back

The ratio of apples to bananas is 1 to 4.

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.1