math 3 circle graphs

math 3 circle graphs

Pie Charts or Circle Graphs

very useful when using information in %

Direct proportion is used to find these answers

regla de 3

2nd method:

• transform the % into decimal (9% is 0.09; 90% is 0.9 or 0.90)

• multiply the decimal number times the other data provided

Multiple Choice

Based on this graph, which sector is bigger?

• romance

• drama

• sci-fi

• action

Multiple Choice

How many people answered this question?

• 100%

• 100

• 20

• 30

Multiple Choice

Based on this graph, which type of movie do most people prefer?

• action

• romance

• comedy

• drama

Poll

what is your favorite topping in a pizza?

• pepperoni

• sausage

• pinneaple

• cheese

Let´s make our circle graph IN THE NOTEBOOK

• Based on the answers you gave.

• Remember 100% is all the answers

• First we have to find the percentage of each answer

• Let´s draw it, approximately