Ratios - Intro with Pictures

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 : b'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (a : b), as a fraction (a/b), or with the word 'to' (a to b).

Front

What does the ratio 4 : 3 mean?

Back

It means for every 4 of one quantity, there are 3 of another quantity.

Front

If there are 4 red apples and 3 green apples, what is the ratio of red apples to green apples?

Back

4 : 3.

Front

If there are 4 hamburgers and 6 total food items, what is the ratio of hamburgers to all food?

Back

4 : 6.

Front

What is the ratio of suns to moons if there are 4 suns and 8 moons?

Back

4 : 8.

Front

How do you simplify the ratio 4 : 8?

Back

By dividing both numbers by 4, it simplifies to 1 : 2.

Front

What is the ratio of stars to all circles if there are 4 stars and 11 circles?

Back

4 : 11.

Front

If there are 3 green apples and 7 total apples, what is the ratio of green apples to total apples?

Back

3 : 7.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second is the denominator.