Grade 6: Ratio,Rate & Unit rate

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 find a missing value in a ratio?

Back

To find a missing value in a ratio, you can scale up or down by multiplying or dividing the known values.

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 simplify to the same fraction.

Front

If Jenny has 3 guitars and Steve has 4 guitars, what is the ratio of Steve's guitars to Jenny's?

Back

The ratio of Steve's guitars to Jenny's is 4:3.

Front

How do you write the ratio of girls to boys if there are 5 boys and 7 girls?

Back

The ratio of girls to boys is 7 to 5.

Front

What is a unit rate?

Back

A unit rate is a comparison of a quantity to one unit of another quantity, often expressed as 'per unit' (e.g., dollars per hour).

Front

How do you calculate the unit rate from a total amount earned and hours worked?

Back

To calculate the unit rate, divide the total amount earned by the total hours worked.

Front

If Elijah earns $200 for 8 hours of work, what is his unit rate?

Back

Elijah's unit rate is $25 per hour.

Front

What is the first step in determining if two ratios are equivalent?

Back

The first step is to simplify both ratios to their lowest terms and compare them.

Front

What does it mean to scale a ratio up?

Back

Scaling a ratio up means multiplying both parts of the ratio by the same number to increase the values while maintaining the same relationship.