Ratios

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.

Front

How do you write the ratio of 4 moons to 8 suns?

Back

The ratio can be written as 4:8 or simplified to 1:2.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they can be simplified to the same fraction.

Front

What is the equivalent ratio of 3:4?

Back

An equivalent ratio is 6:8, which can be found by multiplying both terms by the same number (2 in this case).

Front

If 2 bags of chips cost $3, how much do 10 bags cost?

Back

10 bags of chips cost $15, calculated by finding the unit price ($1.50 per bag) and multiplying by 10.

Front

Are the ratios 7:18 and 1:2 equivalent?

Back

No, they are not equivalent because 7/18 does not equal 1/2.

Front

If 5 movie tickets cost $45, what is the cost of 1 ticket?

Back

The cost of 1 ticket is $9, calculated by dividing $45 by 5.

Front

What is the cost of 4 movie tickets if 5 tickets cost $45?

Back

The cost of 4 tickets is $36, calculated by finding the cost of 1 ticket ($9) and multiplying by 4.

Front

How do you find a missing value in a ratio?

Back

You can use cross-multiplication or set up a proportion to find the missing value.

Front

What is a double number line?

Back

A double number line is a visual representation that shows two related quantities and their corresponding values.