Representing Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you express a ratio?

Back

A ratio 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 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 triangles to circles if there are 9 triangles and 9 circles?

Back

The ratio of triangles to circles is 9:9, which simplifies to 1:1.

Front

If there are 5 triangles and 14 total shapes, what is the ratio of triangles to all shapes?

Back

The ratio of triangles to all shapes is 5 to 14.

Front

What is the ratio of turtles to frogs if there are 3 turtles and 10 frogs?

Back

The ratio of turtles to frogs is 3 to 10.

Front

How do you calculate the ratio of one group to the total?

Back

To calculate the ratio of one group to the total, divide the number of items in the group by the total number of items.

Front

What is the ratio of turtles to all animals if there are 3 turtles and 10 other animals?

Back

The ratio of turtles to all animals is 3 to 13.

Front

What is the inverse of a ratio?

Back

The inverse of a ratio is obtained by swapping the two numbers in the ratio.

Front

If the ratio of all shapes to triangles is 2 to 1, what does this imply?

Back

This implies that for every 2 shapes, there is 1 triangle.