Ratios

Front

What is a ratio?

Back

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

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 3:2), as a fraction (e.g., \(\frac{3}{2}\)), or with the word 'to' (e.g., 3 to 2).

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio means that the numbers in the ratio have been reduced to their smallest whole number form.

Front

What is the ratio of blue marbles to total marbles if there are 3 blue, 2 red, and 5 yellow marbles?

Back

The total number of marbles is 10. The ratio of blue marbles to total marbles is \(\frac{3}{10}\) or 3:10.

Front

If there are 4 rectangles and 3 circles, what is the ratio of rectangles to circles?

Back

The ratio of rectangles to circles is 4:3.

Front

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

Back

The ratio of red to yellow marbles is \(\frac{2}{5}\) or 2:5.

Front

How do you find the ratio of two different shapes?

Back

To find the ratio, count the number of each shape and write it as a fraction or in colon form.

Front

What is the ratio of circles to total shapes if there are 3 circles and 4 total shapes?

Back

The ratio of circles to total shapes is 3:4.

Front

If there are 2 stars and 5 circles, what is the ratio of circles to stars?

Back

The ratio of circles to stars is 2:1.

Front

What is the ratio of hamburgers to hot dogs if there are 4 hamburgers and 2 hot dogs?

Back

The ratio of hamburgers to hot dogs is 4:2.