Probabilities and Percent

Memorized

100

What is 1/10 as a decimal and a percent?

0.10 and 10%

200

What is 1/2 as a decimal and a percent?

0.50 and 50%

300

What is 3/4 as a decimal and percent?

0.75 and 75%

400

What is 1/4 as a decimal and a percent?

0.25 and 25%

500

What is 3/5 as a decimal and percent?

0.60 and 60%

Show Your Work

100

What is 7/20 as a decimal and a percent?

0.35 and 35%

200

What is 5/8 as a decimal and a percent?

0.625 or 62.5%

300

What is 4 out of 7 as a decimal and percent?

0.571 = 57.1%

400

What is 2 out of 6 as a decimal and percent?

0.333 = 33.3%

500

What is 8/5 as a decimal and a percent?

1.6 = 160%

I Love to Read

100

30 out of 100 hockey players are goalies. What percent of hockey players are goalies?

30%

200

If you have 9 candies out of 20 total candies, what percent of the candies do you have?

45%

300

There are 40 people in a class and 60% have a chopped off leg. How many people is this?

24

400

There are 5 people in your class and 4 of them have glasses. What percent do not have glasses?

20%

500

10 out of 30 people play soccer. What percent of people play soccer?

33.3%

Be Lazy, Use a Calculator

100

There are 40 people in a class and 60% have a chopped off leg. How many people is this?

24

200

In the class there are 90 people. 60% are boys. How many boys are in the class?

54

300

In the mall, there are 300 people. 70% are girls, how many are girls?

210

400

20 out of 70 people play hockey. What percent of people play hockey? Round your answer to one decimal place - BE CAREFUL.

28.6%

500

There are 55 students in a class. 32 are girls and 23 are boys. 8 of the girls and 9 of the boys have glasses. What percent of the class have glasses? Round your answer to one decimal place.

30.9%

Probability

100

As a fraction, what is the chance of rolling a 2 on a normal 6-sided die?

1/6

200

There are 10 papers in a box. 3 are red, 6 are green, and 1 is yellow. What is the probability of getting a green paper as a fraction and a percent?

6/10 = 60%

300

What is the probability of picking hearts out of a deck of cards, as a fraction and a percent?

1/4 and 25%

400

You have a bag of 50 marbles. 7 are red, 9 are green, 10 are yellow, 4 are orange, 15 are blue, and 5 are brown. What is the probability of getting a green marble as a fraction and percent?

9/50 = 18/100 = 18%

500

You have a bag of 30 cupcakes. 10 are blue, 5 are yellow, 3 are pink, 10 are green, and 2 are rainbow. What is the probability of getting a rainbow cupcake as a REDUCED FRACTION?

2/30 = 1/15