Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you express a ratio?

Back

Ratios can be expressed in three ways: using a colon (e.g., 3:2), as a fraction (e.g., 3/2), or in words (e.g., 3 to 2).

Front

What is the ratio of 4 apples to 2 bananas?

Back

The ratio of apples to bananas is 4:2, which can be simplified to 2:1.

Front

If you earn $15 every 3 weeks, how much do you earn in 5 weeks?

Back

You earn $25 in 5 weeks.

Front

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

Back

The ratio of pears to all fruit is 5:11.

Front

How do you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they simplify to the same fraction.

Front

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins. Are these prices equivalent?

Back

Yes, the prices are equivalent.

Front

What is the ratio of boys to girls if there are 13 boys and 10 girls in a classroom?

Back

The ratio of boys to girls is 13:10.

Front

What is the ratio of red to yellow marbles if there are 2 red marbles and 5 yellow marbles?

Back

The ratio of red to yellow marbles is 2:5.

Front

How do you find the total number of items in a ratio?

Back

Add the parts of the ratio together to find the total number of items.