Part to Part vs. Part to Whole 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.

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.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

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

Back

The part-to-part ratio of sugar to flour is 2:3.

Front

How can you find an equivalent ratio?

Back

You can find an equivalent ratio by multiplying or dividing both terms of the ratio by the same non-zero number.

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

If Ryan saved 1 part of his allowance and spent 3 parts, what is the total allowance if he saved $5?

Back

Ryan's total allowance is $20.

Front

What is the ratio of blue marbles to green marbles if there are 7 blue and 3 green marbles?

Back

The ratio of blue marbles to green marbles is 7:3.