CC2 CH 3-5.2

Probability

100

There are 3 brown fish, 2 green fish, and 6 blue fish in a pond. What is P(blue or green)?

8/11

200

Independent or dependent events?

In a card game, drawing an ace from a deck of cards, holding the card in your hand, and then drawing again. 

Dependent Events

300

You spin a spinner with equal sections of red, yellow, green, and blue; and then spin it again.

What is the sample space (number of total combinations)?

16

400

You spin a spinner with equal sections of red, yellow, green, and blue; and then spin it again.

What is the P(red and yellow)

2/16 or 1/8

500

Create a probability tree or the following situation:

At SubMart, you can get white or wheat bread. Then you choose between chicken, beef, or pork. Finally you can choose veggies or no veggies. 

Make sure your tree clearly shows all possible combinations. 

Varies. 12  total options

Integers

100

-6+(-3)

-9

200

-7*(-4)

-28

300

-7-(-4)

-3

400

3(-5)+(-4) - 2

-21

500

2(6 + 2 (-4)) + -3 - 4

-11

Percents

100

Write 124% as a fraction and a decimal. 

1.24

124/100 or 1 6/25

200

A jacket normally costs $60, but is discounted 20% off. What price will you pay?

$12

300

How much would you save on a $120 order of groceries if you had a coupon for 30% off?

$36

400

A couch normally costs $600, but is on sale for 35% off. How much would you expect to pay for the couch?

$390

500

A new pair of shoes costs $40 AFTER a 20% discount was applied. What was the original price?

$50

Division

100

3/4/2/5

15/8 or 1 7/8

200

2 4/5 / 1 1/4

56/25 or 2 6/50 or 2 3/25

300

0.08 / 0.4

8/40 or 1/5

400

1.6 / 0.005

320

500

2.56/0.322

Round to the hundredth's place

7.95

Algebraic Expressions

100

Simplify:

4x^2 + 4x + 2+ 3x + 3 + x

4x² + 9x + 5 

200

3x^2-4x-4x^2+3x-2

-x^2-x-2

300

-3(2x+1)-7x+x^2

x^2-13x-3

400

3+4(-2x+3)-6x-x^2

-x^2-14x+15

500

Simplify:

2(x+5)+3x^2-2x-4+x^2-1

4x^2+5