Introduction to Ratios Check

Front

What is a ratio?

Back

A ratio is a comparison of two or more quantities.

Front

How do you write the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow is 2 to 5.

Front

Is the order of numbers important in a ratio?

Back

Yes, the order matters when writing a ratio.

Front

What is 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

List three ways to write a ratio.

Back

Using 'to', using a colon (:), and as a fraction.

Front

If there are 3 blue marbles, 2 red marbles, and 5 yellow marbles, what is the ratio of blue to yellow?

Back

The ratio of blue to yellow is 3 to 5.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its simplest form.

Front

If the ratio of cats to dogs is 4 to 3, how many dogs are there if there are 12 cats?

Back

There are 9 dogs.

Front

What is the ratio of 10 apples to 5 oranges?

Back

The ratio is 10 to 5, which simplifies to 2 to 1.

Front

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

Back

The ratio of flour to sugar is 2 to 3.