M7 Review

Integer Operations

100

6+(-4)

2

200

-4-7

-11

300

3-(-15)

18

400

-3*8+8-4*(-2)

-8

500

-93-(-21div3)

-86

Simplifying Expression

100

x+7+1-5y-3+7x

8x+5-5y

or an equivalent

200

6(p+9b)

6p+54b

300

-4(10m-3)+7m

-33m+12 

or

12-33m

400

7(f+4)+2(3f-8)

13f+12

or

12+13f

500

-7(0.4t+9u+0.3)-0.8t

-3.6t-63u+2.1

Solving Equations

100

-4+x=-10

x = -6

200

7=m/3

m=21

300

-98=4k-50

k = -12

400

3(y-10)=-9

y = 7

500

-5(2p-10)=10

p = 4

Inequalities

100

Translate this into a math sentence:

y is less than -2

y<-2

200

Translate to a math sentence: 

4 is greater than or equal to x

4>=x

300

Translate to a math sentence: 

negative 19 plus eight x is greater than or equal to negative seventy five.

-19+8x>=-75

400

Translate to a math sentence: 

negative 5 is greater than negative eight plus three x

-5> -8+3x

500

A rental car company charges $29 per day to rent a car and $0.05 for every mile driven. Santiago wants to rent a car. He plans to drive 400 miles. He has at most $100 to spend. What is the maximum number or days that Santiago can rent the car while staying within his budget?

2 days

For Fun

100

How many oceans are there on Earth?

5

200

Which of the following does not grow on a tree: eggplant, olive, or avocado?

Eggplant

300

What is the official state fruit of California?

Avocado

400

Which mammal is known to have the most powerful bite in the world?

Hippopotamus

500

What is the world record for hot dogs eaten in 10 minutes?

76 hot dogs and buns