Front

What is a ratio?

Back

A ratio is a relationship between two numbers that shows how many times the first number contains the second.

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 by their greatest common divisor (GCD).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does the notation 'a:b' represent in ratios?

Back

The notation 'a:b' represents the ratio of 'a' to 'b', indicating how many parts of 'a' there are for every 'b'.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a ratio is 10:3, what does it mean in terms of parts?

Back

It means for every 10 parts of the first quantity, there are 3 parts of the second quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can ratios be expressed in fraction form?

Back

Ratios can be expressed as fractions by writing the first term as the numerator and the second term as the denominator.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the first step in solving a ratio word problem?

Back

The first step is to identify the quantities involved and how they relate to each other.

Front

How do you find an unknown in a ratio?

Back

You can find an unknown in a ratio by setting up a proportion and solving for the missing value.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

Front

If the ratio of boys to girls in a class is 4:5, how many boys are there if there are 20 girls?

Back

If the ratio is 4:5, then for every 5 girls, there are 4 boys. If there are 20 girls, then there are (20 girls * 4 boys) / 5 = 16 boys.

Front

What is the relationship between equivalent ratios?

Back

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

Tags

CCSS.6.RP.A.3A