6/7 Stretch Math Exam Review

Part I Review A

100

Order these numbers from least to greatest.

-2.1, -5, -12/5, -3.75, -4.2

-5, -4.2, -3.75,-12/5, -2.1

200

Write and expression for the following statement:

6 increased by the difference of 5y and 1

What is the value of this expression when y=2.5

_6+(5y-1)

_{6+(5*2.5-1)=6+11.5=17.5}

300

You have a picture in a frame.  The picture is 5x7 and the frame is 8x10.  What is the area of the frame?

45 square inches.

400

What is the value of the expression (1/5)³

1/125

500

You have an equilateral triangular prism.  The measurements for the triangles are height=5 and length=4.  The rectangles have a height of 6 and a length of 12.

236 

Part I Review B

100

4x²+12

What is the value of this expression when x=6

156

200

The circumference of the circle is 15pi inches.  What is the area, in square inches of the circle?  Express your answer in terms of pi.

7.5x7.5x pi= 56.25pi square inches

300

You can get 4 freezy pops for $6.00.  What is the constant of proportionality if you were to graph the different numbers of freezy pops and the corresponding prices?

Write an equation to represent this relationshop when C is the cost of freezy pops, and F is the number of freezy pops purchased. 

$1.50 per freezy pop

f*1.50=C

400

4²-22/2+12

17

500

You go out to dinner with your family.  The bill is $73.65.  Your dad wants to leave a 15% tip.  What is the amount of the tip?  What is the total cost of the meal?

$11.04 tip

$84.69 Total cost.

Part II Review A

100

Write an expression that is equivalent to 9⁴

9x9x9x9

200

What is the mean of this data set?

45, 22, 34, 56, 72

229/5

45.8=mean

300

What is the GCF of 8 and 24?

GCF=8

400

What is the value of the following expression?

40-53+5³

112

500

Find the value of R.      3+r/2=12

r=18

Part II Review B

100

8 divided by 4/5

10

200

What is the volume of a figure that has a height of 4, width of 3, and length of 12?

144 cubic units.

300

Describe how you would graph the point (-4, -2) on the coordinate plane?

From the origin you would move left 4 units and then down 2 from that location.

400

Write an equivalent expression to the following:

t+t+t+t+t+t+m+m+m

6t+2m

500

What is the radius of the circle when the circumference is 36pi?

d=36

R=18

Part II Review C

100

What is the absolute value of -2?

2

200

What is the least common multiple of 4 and 9?

LCM=36

300

What would be an equivalent expression to 4(2x-7)?

8x-28

400

Max can run 4 miles in 36 minutes.  At that rate, how far can he run in 90 minutes?

10 miles

500

The Wright family went to Olive Garden for dinner.  The bill was $65.45.  They want to leave a 15% tip.  How much should the tip be? (round to the nearest penny)

$9.82