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8th Grade Math Proficient Practice Test 5



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

mc001-1.jpg
a.
mc001-2.jpg
d.
mc001-5.jpgmc001-6.jpg
b.
mc001-3.jpg
e.
mc001-7.jpg
c.
mc001-4.jpg
 

 2. 

Number Sense and Numeration – Fractions – RIT 231 – 240
Fill in the blanks in the following statement:
A ratio is a ____________ of two numbers by _____________ .
a.
combining -- addition
d.
product -- multiplication
b.
difference -- subtraction
e.
sum -- pairing
c.
comparison -- division
 

 3. 

Which of the following shows correct ways to write ratios?
3/5; 3:5; 3 to 5
a.
3/5; 3:5; 3 to 5
d.
mc003-3.jpg
b.
mc003-1.jpg
e.
mc003-4.jpg
c.
mc003-2.jpg
 

 4. 

Number Sense and Numeration – Place Value – RIT 231 – 240
Write the following number in expanded form:
25,678,134,091
a.
mc004-1.jpg
b.
mc004-2.jpg
c.
mc004-3.jpg
d.
mc004-4.jpg
e.
mc004-5.jpg
 

 5. 

In the following number, which letter indicates the digit in the billions
place?
mc005-1.jpg
a.
A
d.
D
b.
B
e.
E
c.
C
 

 6. 

Number Sense and Numeration – Square Roots – RIT 231 – 240
Which of the following is a perfect square?
a.
17
d.
7
b.
49
e.
20
c.
98
 

 7. 

Number Sense and Numeration – Square Roots – RIT 241 –250
Solve:
mc007-1.jpg
a.
5
d.
13
b.
mc007-2.jpg
e.
17
c.
mc007-3.jpg
 

 8. 

Problem Solving – RIT 231 – 240
Which letter in the word, “probabilities” would you expect a computer to
randomly pick most often?
a.
b
d.
o
b.
s
e.
t
c.
i
 

 9. 

The elevator in the Empire State Building went up 3 floors, down 5 floors,
up 2 floors, and then down 6 floors. If it ended on the 4th floor, on which
floor did it begin?
a.
13th floor
d.
10th floor
b.
15th floor
e.
2nd floor
c.
8th floor
 

 10. 

Solve for x.
4x + 1 = 2x – 7
a.
x = 4
d.
x = 3
b.
x = -6
e.
x = -3
c.
x = -4
 

 11. 

Which expression correctly represents the formula to solve the following
problem? Lisa is 6 years older than Mary. The sum of their ages is 38 years. How old is Mary?
a.
x + y = -38
d.
2x + 6 = 38
b.
x – 38 = x + 6
e.
x – 6 = 38
c.
L + M = 38
 

 12. 

Interest formula: I = prt
How much interest is earned in two years on $200 in a bank account at an
interest rate of 6%?
a.
$6
d.
$2.40
b.
$24
e.
$8
c.
$12
 

 13. 

Find the missing number in this pattern: 3, 9, 27, ___, 243
a.
30
d.
81
b.
36
e.
124
c.
54
 

 14. 

If the distance from Idaho Falls to Salt Lake City measures 25 inches on a
map with a scale of 1 inch = 10 miles, how many miles is it from Idaho
Falls to Salt Lake City?
a.
250 miles
d.
1,000 miles
b.
10 miles
e.
500 miles
c.
25 miles
 

 15. 

If Jason mows fifteen lawns he will earn enough money to buy a bicycle.
Suppose Jason has mowed twelve lawns. What can you determine?
a.
Jason has enough money for his bike.
b.
Jason has enough money to buy a bike and a helmet.
c.
Jason needs to mow one more lawn in order to buy a bike.
d.
Jason needs to mow three more lawns in order to buy the
bike.
e.
Jason needs to mow eight more lawns in order to buy a bike.
 

 16. 

A $30.00 pair of jeans is discounted 20%. If sales tax is 5%, what will be
the final price of the jeans?
a.
$25.20
d.
$28.35
b.
$22.80
e.
$22.80
c.
$24.00
 

 17. 

Identify the correct equation for the solution:
X = 5
a.
3x + 4 = 19
d.
x + 17 = 10
b.
2y = 4
e.
x + 7 = x – 9
c.
3 – x = 10
 

 18. 

A store has a sale in which all items are on sale for 20% off. The tax at
the store is 5%. Which expression models the cost (c) for an item with the
original price (p)?
a.
c = [p – (.20)p] [1.05]
d.
c = [p – 20p] (.05)
b.
c = (.20) (1.05)p
e.
c = [p – 20p] 5
c.
c = [p + (.20)p] [1.05]
 

 19. 

Problem Solving – RIT 241 – 250
A student’s test scores are 89%, 78%, 84%, and 67%. What percent does
the student need on the fifth test to average 81%?
a.
87%
d.
92%
b.
81%
e.
85%
c.
90%
 

 20. 

mc020-1.jpg
a.
$25,900
d.
$24,60
b.
$25,250
e.
$27,150
c.
$26,550
 



 
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