+ & - Integers
x & / Integers
Ratios and Proportions
Expressions and Equations
Geometry
100

-32 + 18=

-14

100

-8 x 12=

-96

100

What is a complex fraction?

fraction on top of a fraction

100

7 - 3(4 - 2y) - 10y

3x4=12

3x-2y=-6y

7 - 12 - (-6y) - 10y= 7 + -12 + 6y + -10y

-5 + -4y

100
Complementary angles = how much

90 degrees

200

19 - 23=

-4

200

-48/6

-8

200

Alexis washes 10.5 windows in 3/4 hour. At this rate, how many windows can she wash in one hour?

10.5/.75= 14 windows/1 hour

200

-3x + 5(x + 2)

-3x + 5x + 10

2x + 10

200

Find the area of a circle is the radius is 5 inches

78.5

300

24 - (-6) - 6=

24

300

2 x 25=

50

300

One of the highest snowfall rates ever recorded was in Silver Lake, Colorado, in April 1921, when just over 7 feet of snow fell in 27.5 hours. What was that rate in inches per hour?

12 inches=1 foot

12x7=84 feet

84/27.5=3.054 repeating

300

An amusement park reduced its admission price to $15.50 per day, but now charges $1.50 per ride. Mark has $26 to spend on admission and rides. Write and solve an equation to find how many rides Mark can ride in one day.

Let r=number of rides Mark rides in one day

1.50r + 15.50 = 26

r=7 rides in one day

300

(2x+1) + (x-7) = 180

x=62

400

A helicopter is 19 meters above the top of a canyon wall. It goes down 27 meters, passing into the canyon, and then goes up 5 meters. What is the new position of the helicopter relative to the top of the canyon wall?

The helicopter is -3 meters from the top of the canyon wall.

400

The lowest elevation in Long Beach, California, is 7 feet below sea level. The elevation of Death Valley is about 40 times lower than the elevation of Long Beach. What is the approximate elevation of Death Valley?

-280 feet

400

What two things must a graph have in order to be proportional?

straight line 

go through the origin (0,0)

400

200 - 4.5x < 20

x>40

400

x + (x+14) = 90

x=38

500
A submarine is 50 meters below sea level. It goes up 15 meters, then goes down 40 meters. What is the submarine's new position relative to sea level?

-75 meters

500

Marc's elevation decreases by 350 meters as he rides his bike down to the bottom of a hill. He did the ride in 5 equal stages. How much did Marc's elevation change during each stage?

-70 meters

500

Tony sells sporting goods. He makes a 10% commission on every dollar of sales that he makes. One month Tony got a commission check for $2,500. What were his sales in dollars that month?

10/100=2,500/x

cross multiply 

100x2,500=250,000

250,000/10= 25,000

500

10p+1=5

p=0.4

500

Find the circumference of a circle if the diameter is 30

94.2