Low Stakes Flashcard #8: 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:b'.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both sides of the ratio by their greatest common divisor (GCD).

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 10 apples and 6 bananas, what is the ratio of apples to bananas?

Back

10:6, which simplifies to 5:3.

Front

What is the ratio of boys to girls if there are 5 boys and 7 girls?

Back

5:7.

Front

How do you express a ratio in words?

Back

You can express a ratio in words by saying 'for every' or 'to'. For example, 4:3 can be said as '4 to 3'.

Front

What is the ratio of circles to stars if there are 2 circles and 5 stars?

Back

2:5.

Front

If the ratio of monkeys to bananas is 4:5, how many bananas are there if there are 8 monkeys?

Back

10 bananas.

Front

What is the relationship between ratios and fractions?

Back

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

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much flour is needed for 4 cups of sugar?

Back

6 cups of flour.