Circle Graphs

Front

What is a circle graph?

Back

A circle graph, also known as a pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions.

Front

How do you calculate the percentage of a part in a circle graph?

Back

To calculate the percentage, divide the part by the total and multiply by 100.

Front

If 200 people were surveyed and 150 like pepperoni and cheese, what percentage of people like these toppings?

Back

(150/200) * 100 = 75%.

Front

What does each slice of a circle graph represent?

Back

Each slice represents a category's proportion relative to the whole.

Front

How can you determine the number of people represented by a slice in a circle graph?

Back

Multiply the total number of surveyed people by the percentage represented by the slice.

Front

What is the formula for finding the angle of a slice in a circle graph?

Back

Angle = (Percentage/100) * 360 degrees.

Front

If 24 out of 200 vegetable plants are green beans, what percentage of the plants are green beans?

Back

(24/200) * 100 = 12%.

Front

How do you interpret the data from a circle graph?

Back

Look at the size of each slice to understand the proportion of each category.

Front

What is the importance of using circle graphs?

Back

Circle graphs provide a visual representation of data, making it easier to compare parts to a whole.

Front

If 96 out of 300 seventh graders prefer choir, how many prefer choir?

Back

96 students prefer choir.