Understanding Ratios

Front

What are the three ways to write a ratio?

Back

2:3, 2 to 3, 2/3

Front

What is the ratio of squares to triangles if there are 3 squares and 9 triangles?

Back

3 to 9

Front

If 11 students prefer Pizza Hut and 13 prefer Marco's, what is the ratio of students that prefer Marco's to Pizza Hut?

Back

13 to 11

Front

What is the ratio of cherries to pears if there are 8 cherries and 2 pears?

Back

8 to 2

Front

In a class of 18 students, if 5 have A's, 7 have B's, and the rest have C's, what is the ratio of students that have C's to those that have A's?

Back

6 to 5

Front

Define a ratio.

Back

A ratio is a comparison of two quantities by division.

Front

What does a ratio of 2:3 mean?

Back

For every 2 of one quantity, there are 3 of another quantity.

Front

How can ratios be simplified?

Back

By dividing both terms of the ratio by their greatest common divisor.

Front

What is the ratio of 4 apples to 8 oranges?

Back

1 to 2 (after simplification).

Front

If the ratio of boys to girls in a class is 3:4, how many girls are there if there are 12 boys?

Back

16 girls (since 3 boys correspond to 4 girls).