Ratios/Rates Pre-Assessment

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 girls to boys if there are 7 girls and 5 boys?

Back

The ratio of girls to boys is 7 to 5.

Front

What is the simplified form of the ratio of cats to dogs if there are 6 cats and 16 dogs?

Back

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'x per 1 unit'.

Front

How do you find the unit rate of customers if a store sees 120 customers in 8 hours?

Back

To find the unit rate, divide the total number of customers by the total hours: 120 customers ÷ 8 hours = 15 customers per hour.

Front

What is the ratio of chocolate chip cookies to total cookies if there are 8 chocolate chip cookies and 6 vanilla cookies?

Back

Front

If the ratio of animals to crabs is 13 to 4, how many crabs are there if there are 13 animals?

Back

If the ratio is 13 to 4, then for every 13 animals, there are 4 crabs.

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its simplest form by dividing both terms by their greatest common divisor.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, what is the ratio of sugar to flour?

Back

The ratio of sugar to flour is 3 to 2.

Front

How can you express the ratio of two numbers as a fraction?

Back

To express the ratio of two numbers as a fraction, place the first number in the numerator and the second number in the denominator.