Module 7 Test Review 1st and 2nd

Front

What percent of Earth's atmosphere is made up of nitrogen?

Back

78%

Front

What is the formula used for calculating percentages?

Back

Front

If a pizza has 8 slices and Ken eats 5, what percent of the pizza has he eaten?

Back

62.5%

Front

In a school band with 45 boys, if 18 play the drums, what percent of boys play the drums?

Back

40%

Front

If a zoo has a ratio of giraffes to zebras, and 20% of the animals are giraffes, what does this mean?

Back

20% of the total animals are giraffes.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100.

Front

Back

Multiply by 100 to get 78%.

Front

If there are 50 students in a class and 25 are girls, what percent of the class are girls?

Back

50%

Front

What does it mean if 40% of a group does something?

Back

4 out of every 10 members of the group do that activity.

Front

How do you find the percent of a part compared to a whole?

Back