MCAS Review

Ratios & Proportions

100

Write a ratio in simplest form:  For every 6 cookies there are 2 people.

3:1

3 to 1

3/1

200

Find the unit rate:  A car is traveling 340 miles over the course of 5 hours.  How many miles per hour did the car travel?

68 miles per hour

300

Find the missing value of the table:

flour (cups) | sugar (cups)

     1                y

     2                3

     4                6

     6                9

     x                10 1/2

1 1/2

or 1.5

400

The scale on a map has a ratio of centimeters (cm) to feet (ft) is 2:5.  If you are measuring 12 centimeters, how many feet are equivalent?

30 feet

500

A sweater is on sale for $24 off which is 30% off of the original price.  What is the original price?

$80

Number Sense

100

1.23 + 7.2

8.43

200

How much chocolate will each person get if three people share 1 ∕2 lb. of chocolate equally?

1/6 lb chocolate

300

1116/9   

124

400

Find the Greatest Common Factor (GCF) AND Least Common Multiple (LCM) of 18 and 45.

GCF: 9

LCM: 90

500

The point ( 1, -4 ) is reflected over the x-axis on a coordinate plane.  What is the new ordered pair and what quadrant is it in?

( 1, 4 )

Quadrant 1

Expression & Equations

100

Write the following in exponential form:

3 x 3 x 3 x 3 x 3 x 3 x 3 x 3

3^8

200

Write the expression:

Subtract y from 5.

5 - y

300

The area of a triangle can be found using the formula 1/2bh.  What is the area of a triangle with a base, b, of 3 and a height, h, of 6?

9 units^2

400

Use the distributive property to simplify: 

3(2 + x)

6 + 3x

500

Part A:  Find the value of x in both the equation and inequality:

12x = 144   and 12x < 144

Part B:  What is the difference between and equation and inequality? 

x = 12   and x < 12

Equations have 1 answer and inequalities have more than 1 possible answer.

Geometry

100

A rectangular prism has a height of 5 cm, length of 3 cm, and a width of 18 cm.  What is the volume? 

270 cm^3

200

The points  (3, 5), (3, -2), (-4,-2), and (-4, 5) on a coordinate grid create what shape?

Rectangle

300

What is the volume of the rectangular prism with a length of 1/2 cm, height of 2/3 cm, and width of 4/5 cm?  Write in simplest form.

4/15 cm^3

400

A rectangle has a length of 22 feet and width of 7 feet.  The rectangle is cut into 2 triangles.  What is the area of 1 of the triangles?

77 ft^2

500

What is the SURFACE AREA of a rectangular prism with a length of 10 meters, width of 12 meters, and height of 15 meters?

900 meters^2

Statistics

100

Which of the questions below are statistical question(s)?

a.  How old are the students on the bus?

b.  How old am I?

c.  How old is my sister?

d.  How old are the students in the school?

a, d

200

Create a histogram for the following information:

{ 10, 12, 10, 13, 11, 13, 13, 13 }

see example on board

300

Create a circle graph in fraction form for the following information:  2 cats, 3 dogs, and 5 fish.

1/4 cats

3/8 dogs

5/8 dogs

400

What is the mean, median, mode, and range of the following numbers: 1, 1, 2, 3, 5, 4, 2, 5, 1

Mean: 2 2/3

Median:3

Mode: 1

Range: 4

500

Lawanda’s test scores are 85, 97, 76, and 93. What score does she need on the last test in order to average 90 on her tests?

92.25

or 92 1/4