Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities using division.

Front

How can you write a ratio?

Back

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

The total number of fruits is 4 + 2 + 5 = 11. The ratio of pears to all fruit is 5:11.

Front

Which of the following is a real-life example of a ratio? 12 noodles, 4 meatballs : 1 cup of sauce, 1 jar of sauce, 15 desserts

Back

4 meatballs : 1 cup of sauce.

Front

What does the term 'proportion' mean in relation to ratios?

Back

A proportion is an equation that states that two ratios are equal.

Front

If the ratio of boys to girls in a class is 3:4, how many boys are there if there are 28 students in total?

Back

Let the number of boys be 3x and girls be 4x. Then, 3x + 4x = 28, so 7x = 28, thus x = 4. Therefore, there are 3x = 12 boys.

Front

What is the ratio of 10 to 5?

Back

The ratio of 10 to 5 is 2:1.

Front

How do you simplify the ratio 8:12?

Back

To simplify 8:12, divide both numbers by their greatest common divisor, which is 4. Thus, 8:12 simplifies to 2:3.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares one part of a whole to another part of the same whole.

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares one part of a whole to the entire whole.