Ratio Flashcard

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another.

Front

How can a ratio be expressed?

Back

A ratio can be expressed in several ways: as a fraction (e.g., 3/4), with a colon (e.g., 3:4), or with the word 'to' (e.g., 3 to 4).

Front

What is the ratio of red toy cars to all toy cars if there are 3 red and 7 other toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

What does a part-to-part ratio represent?

Back

A part-to-part ratio compares two different parts of a whole, such as the ratio of pumpkins to broccoli.

Front

If there are 6 vanilla candles and 6 other candles, what is the ratio of vanilla candles to all candles?

Back

The ratio of vanilla candles to all candles is 6:12.

Front

What is the difference between part-to-part and part-to-whole ratios?

Back

Part-to-part ratios compare different parts of a whole, while part-to-whole ratios compare a part to the entire whole.

Front

What is an example of a part-to-whole ratio?

Back

An example of a part-to-whole ratio is the ratio of red toy cars to all toy cars.

Front

Can a ratio be written as an equation?

Back

No, a ratio cannot be written as an equation; for example, 3=4 is incorrect.

Front

What is the ratio of 2 apples to 3 oranges?

Back

The ratio of apples to oranges is 2:3.

Front

How do you simplify a ratio?

Back

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