Test A - Demarest School District

Name_________________________________________________________
Chapter
1
Date __________
Test A
Find the value of the expression. Use estimation to check your
answer.
1. 5643  1827
2. 8105  4463
3. 364  14
4. 43  59
Answers
1.
2.
3.
Determine the operation you would use to solve the problem. Do not
answer the question.
4.
5. A shopper gives a cashier $60 to pay for a $49 item. How much does
5.
the cashier owe the shopper?
6.
6. A movie theater has 18 rows with 15 seats each. How many seats does
the theater have?
7. A farmer has 450 eggs. Egg cartons hold 12 eggs. How many cartons
does the farmer need?
10.
9. 92
Determine whether the number is a perfect square.
10. 100
8.
9.
Find the value of the power.
8. 73
7.
11. 42
Evaluate the expression.
11.
12.
13.
14.
12. 14  8  6  5
13. 9  24  6
14. 57  2  42
15. 24  2(10  4)  3
15.
16.
17.
Write the prime factorization of the number.
18.
16. 38
17. 54
19.
Find the GCF of the numbers.
18. 16, 28
19. 18, 60
21.
Find the LCM of the numbers.
20. 6, 8
21. 24, 32
Add or subtract. Write the answer in simplest form.
22.
3 1

5 4
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20.
23. 1
22.
23.
3
1
4
8
2
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Name _________________________________________________________ Date _________
Chapter
1
Test A (continued)
24. An electrician charges $322 for 7 hours of work. How much does
Answers
the electrician charge per hour?
24.
25. What is the area of the square helicopter landing pad?
25.
26.
27.
28.
29.
26. The point system below is used to rank teams in a hockey league.
A team’s record is 29 wins, 5 ties, and 22 losses. How many points
does the team have?
Result
Points
Win
2
Tie
1
Loss
0
27. A class of 54 students is divided into equal groups for orientation.
Each group should have at least 7 students but no more than
10 students. What is the group size?
28. You are creating identical candy bags using 18 chocolate bars and
30 peanut butter cups. What is the greatest number of bags you can
fill using all the candy?
29. You have violin lessons every fourth day and singing lessons every
fifth day. Today you have both lessons. In how many days will you
have both lessons on the same day again?
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Name_________________________________________________________
Chapter
2
Test A
Multiply. Write the answer in simplest form.
1. 3 
Date __________
8
9
2.
Answers
4
3

11 8
1.
2.
15
2
3.
4
24
3
4
1
4. 1  2
5
3
3.
4.
Divide. Write the answer in simplest form.
5.
7.
5.
7 5

9 6
5
 10
8
6.
3
3
2
16
4
8. 3
6.
3
5
2
16
6
7.
8.
Evaluate the expression. Write the answer in simplest form.
9. 3  7
1
3
1
2
10
10.
9.
2
1 3
1 
3
7 8
10.
11.
Add or subtract.
11. 5.78  3.29
12.
12. 18.6  13.34
13.
Multiply. Use estimation to check your answer.
13. 4  1.2
14. 7.5  18
14.
15. 0.34  0.83
16. 0.04  0.6
15.
16.
Divide. Use estimation to check your answer.
17. 26.4  8
18. 12.06  18
17.
19. 32.96  0.8
20. 11.76  0.0014
18.
19.
Evaluate the expression.
21. 16.9  1.2  5.4
22. 35.7  1.71  3.54
20.
21.
3
23. A professor wants to divide the remaining of the semester evenly
4
into six different units.
a. What fraction of the semester should be spent on each unit?
22.
23. a.
b.
b. The professor drops one unit. What fraction of the semester should
be spent on each unit?
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Name _________________________________________________________ Date _________
Chapter
2
Test A (continued)
24. Find the area of the credit card.
Answers
24.
25.
26.
27.
28.
5
2
25. A recipe makes 6 cups. The serving size is cup. How many
3
6
servings does the recipe make?
26. The individual times of four members of a 4  400 -meter relay team
are shown below. Find the the team’s total race time in seconds.
Runner
Time
1
55.2
2
53.9
3
54.1
4
51.7
27. The average rainfall in Annette, Alaska, in September is 0.31 inch
per day. How much rain falls over the course of an average September?
(September has 30 days.)
28. A market sells a six-pound bag of potatoes for $6.27 and a 7.5-pound
bag of potatoes for $7.65. Which bag of potatoes is a better buy?
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Name_________________________________________________________
Chapter
3
Date __________
Test A
Evaluate the expression when x  4 and y  1.
Answers
2. 12  x
1. 5y
1.
Write the phrase as an expression.
2.
3. 10 multiplied by 7
4. the sum of 12 and a number h
Write the phrase as an expression. Then evaluate the expression when
x  3 and y  6.
3.
4.
5.
5. the product of 8 and a number x
6. the quotient of a number y and 2
Tell which property the statement illustrates.
7. 7  m  m  7
8. 0  z  z
9. 3 x  3  3x  9
10.
7.
c  1.4  0.5  c  1.4  0.5
Simplify the expression. Explain each step.
11. 2   g  5
6.
12. 7 4 p
8.
9.
10.
11.
See left.
12.
See left.
13.
14.
15.
Use the Distributive Property to simplify the expression.
13. 4c  2
14. 8 x  1
16.
17.
18.
Simplify the expression.
15. 23  d  1
16. 3 w  1  1
17. 3.4n  9.6  2.1n
18. 5k  4  2k
19.
20.
21.
Factor the expression using the GCF.
19. 4  22
20. 54  30
21. 12 y  8
22. 9b  45
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Name _________________________________________________________ Date _________
Chapter
3
Test A (continued)
23. Complete the table.
p
1
Answers
2
3
4
23.
5
3p  1
See left.
24.
24. The running time (in minutes) of a TV episode is 30  0.5c, where
c is the number of commercials aired during the episode. What is the
running time of an episode with 15 commercials?
25. a.
b.
26. a.
25. To find the sales tax on an item, divide the price of the item by 20.
a. Write an algebraic expression to find the sales tax on an item that
costs d dollars.
b.
27.
28.
b. Find the sales tax on a television that costs $800.
26. A server at a restaurant works 5 hours on a weekday and 8 hours on
a weekend day.
a. Write an expression for the total hours the server works on x
weekdays and y weekend days.
b. Use the expression to find the number of hours the server works
on 4 weekdays and 2 weekend days.
27. The sides of a square each have a length of 11x inches. Write an
expression for the perimeter of the square (in inches).
28. The cost of a DVD (in dollars) can be represented by the expression
18  d , where d is the discount amount. Use the Distributive Property
to write and simplify and expression for the cost of 3 DVDs.
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Name_________________________________________________________
Chapter
4
Date __________
Test A
Find the area of the parallelogram, triangle, or trapezoid.
1.
Answers
2.
1.
2.
3.
4.
3.
4.
5.
6.
7.
See left.
8.
See left.
Find the area of the figure.
9.
5.
6.
10.
11.
Draw the polygon with the given vertices in a coordinate plane.
7. A(6, 4), B(4, 5), C(3, 1)
8. D(1, 5), E(4, 5), F(5, 3), G(2, 3)
Find the perimeter and the area of the polygon with the given vertices.
9. H(3, 2), I(5, 2), J(5, 7), K(3, 7)
10. P(1, 2), Q(1, 6), R(8, 6), S(8, 2)
11. Find the area of the shaded region.
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Name _________________________________________________________ Date _________
Chapter
4
Test A (continued)
12. The base of a parallelogram is 13 yards and the height is 10 yards.
Answers
What is the area?
12.
13. A trapezoidal window is 8 feet tall and has base lengths of
13.
1 foot and 7 feet. What is the area of the window?
14. The base of a triangle is 8 centimeters and the height is 20 centimeters.
What is the area of the triangle?
14.
15. a.
15. A bench around the base of a tree is in the
b.
shape of a square and is made up of four
trapezoids of the same size.
c.
16.
a. What is the perimeter around the
outside of the bench?
17.
b. What is the area of one trapezoid?
18.
c. What is the area of the entire bench?
16. The front of a partially collapsed barn is shown below. Find the area
of the front of the barn.
17. On a state map, the vertices of the boundary of a county are A(10, 30),
B(65, 30), C(65, 60), and D(10, 60). The coordinates are measured in
miles. What is the area of the county?
18. The vertices of a swimming pool are E(5, 5), F(5, 20), G(35, 20), and
H(35, 5). The endpoints of a line that divides the pool into two sections
are J(15, 5) and K(15, 20). The coordinates are measured
in meters. What is the area of each section?
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Name_________________________________________________________
Chapter
5
Date __________
Test A
Write the ratio. Explain what the ratio means.
1. golf balls to golf tees
Answers
2. apples to pears
1.
2.
Find the missing values in the ratio table. Then write the equivalent
ratios.
3.
Pencils
6
Erasers
2
4.
18
22
Clients
3
Hours
12
3.
See left.
4.
See left.
6
4
Write a rate that represents the situation.
5.
6.
5.
6.
7.
Write a unit rate for the situation.
7. 12 goals in 3 hours
8.
8. 1200 calories in 3 liters
9.
Determine which is the better buy.
9.
10.
10.
Beef
Hand Soap
A
B
Cost (dollars)
1
4
Cost (dollars)
Fluid ounces
8
50
Pounds
A
B
7.38 9.57
2
3
11.
12.
13.
Write the fraction or mixed number as a percent.
7
11.
8
14.
13
12. 1
20
Find the percent of the number.
13. 28.3% of 100
15.
See left.
16.
See left.
14. 17% of 40
Find the whole. Explain your method.
15. 25% of what number is 15?
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16. 70% of what number is 105?
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Name ________________________________________________________ Date _________
Chapter
5
Test A (continued)
Complete the statement. Round to the nearest hundredth if
necessary.
17. 9 cm 
18. 4 gal 
in.
Answers
17.
See left.
18.
See left.
L
19. For a class trip, the teachers would like to have one adult for every
19.
10 students. There are 190 students on the trip. How many adults
should go on the trip?
20.
20. An alligator can run at a speed of 13 feet per second on land. At this
21.
rate, how far can it run in 3 seconds?
22.
21. Runner A completes 12 laps around a track in 22 minutes. Runner B
completes 8 laps in 15 minutes. Which runner had a greater average
speed?
In Exercises 22–24, use the table that shows the number of first
downs in a football game.
23.
24.
25. a.
b.
Cougars
Gators
Total First Downs
16
20
By rushing
8
4
By passing
6
15
By penalty
2
1
Team
26.
22. What percent of the Cougars’ first downs were by passing?
23. Which team had a smaller percent of first downs by penalty?
24. What percent of the Gators’ first downs were by rushing?
25. In a class, 60% of the students are girls. There are 18 girls in the class.
a. How many students are in the class?
b. How many boys are in the class?
26. The following two packages of rice
cost the same amount. Which is the
better buy?
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Name_________________________________________________________
Chapter
6
Date __________
Test A
Write a positive or negative integer that represents the situation.
Answers
1. Sarah lost 3 points on her test.
1.
2. 5 inches of rain fell in April.
2.
Graph the integer and its opposite.
3.
See left.
4.
See left.
4.  2
3. 3
5.
Order the integers from least to greatest.
6.
6. 5, 2,  3, 3,  8
5. 4,  7, 0, 1,  3
Graph the number and its opposite.
7. 2
1
2
8. 1.25
7.
See left.
8.
See left.
9.
See left.
10.
See left.
11.
Complete the statement using , , or  .
12.

9.
3
4

5
6
1
10.
1
2
1
2
3
13.
See left.
14.
See left.
15.
See left.
Find the absolute value.
11.
5
12. 12
16.
Complete the statement using , , or  .
13.
6
6
14. 0
3
15.
9
5
16. One fish is 4 feet below sea level. Another fish is 3 feet below sea
17. a.
level. Write each position as an integer. Which integer is greater?
b.
In Exercises 17 and 18, use the figure.
c.
17. Write an ordered pair corresponding
d.
to the point.
a. Point A
b. Point B
e.
c. Point C
d. Point D
f.
e. Point E
f. Point F
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18. Which point is located in Quadrant III?
Chapter
6
Test A (continued)
Name _________________________________________________________ Answers
Date _________
Plot the ordered pair in the coordinate plane. Describe the location
of the point.
19. J  4, 2
19.
See left.
20.
See left.
20. K 1.5, 0.5
21. a.
b.
22. a.
b.
23.
Reflect the point in (a) the x-axis and (b) the y-axis.
21.
4, 5
22.
2, 1
24.
25. a.
Reflect the point in the x-axis followed by the y-axis.
23.
 3,  3
24.
b.
1, 4
c.
25. A coal mine worker is 650 feet below the ground in a mine. Another
26. a.
coal mine worker is 7 feet above ground operating machinery.
b.
a. Write an integer for the position of each worker relative to the ground.
c.
b. Find the absolute value of each integer.
27. a.
c. Which worker is farther from the ground surface?
26. The table shows the profit (or loss) of a company throughout the year.
Quarter
Profit (millions of dollars)
1
2
3
4
2.4
 2.9
1.3
0.8
b.
a. In what quarter did the company have the greatest profit?
b. In what quarter did the company have the greatest loss?
c. In what quarter was the company’s profit closest to zero?
27. The pool is located at 0, 0.
a. To get to your house from the pool, you walk 3 blocks west and 1 block
north. What ordered pair corresponds to the location of your house?
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b. What quadrant is your house located in?
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Name_________________________________________________________
Chapter
7
Date __________
Test A
Match the equation and the word sentence.
Answers
n
 9
3
1. The sum of a number n and 3 is 9.
A.
2. The product of a number n and 3 is 9.
B. n  3  9
3. The quotient of a number n and 3 is 9.
C. 3n  9
4. 9 is 3 less than a number n.
D. n  3  9
1.
2.
3.
4.
5.
Solve the equation. Check your solution.
5. s  3  19
6. 3  x  12
8. 5z  60
9. a  6  7
6.
7. 7  m  7
10. 40 
7.
m
2
8.
9.
Tell whether the ordered pair is a solution of the equation.
11. y  x  11; 4, 13
10.
12. y  6 x; 8, 48
11.
13. Write and graph an equation in two variables that shows the
12.
relationship between time and distance.
13.
See left.
14.
15.
16.
Write the word sentence as an inequality.
14. A number n is at least 10.
17.
15. 15 is more than a number x.
16. Twice a number a is less than 3. 17. A number s is no more than 18.
Tell whether the ordered pair is a solution of the inequality.
18. 2 x  10; x  5
19. m  4  8; m  10
18.
19.
20.
See left.
21.
See left.
Graph the inequality on a number line.
20. m  1
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21. w  6
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Name _________________________________________________________ Date _________
Chapter
7
Test A (continued)
Solve the inequality. Graph the solution.
22. r  7  2
23.
Answers
w
 1
3
22.
See left.
23.
24. A soccer game is 60 minutes long. Forty-one minutes of the game
See left.
have been played. Write and solve an equation to find the number
of minutes m that remain.
24.
Solve for h. Check your answer.
25. Area  45 cm2
26. Area  30 ft 2
25.
26.
27.
28.
29. a.
27. A mobile phone plan has a base fee
of $50 per month. The monthly cost
increases by $10 for every gigabyte
of data used. Write and graph an
equation in two variables that
represents the total monthly cost
of the plan.
b.
28. A disc will hold up to 62 minutes of music. The songs on the disc are
24 minutes long altogether. Write and solve an inequality to find how
many more minutes of music you could add to the disc.
29. An acting improvisation class divides into 6 teams that each have at
most 4 students.
a. Write and solve an inequality to represent the number of students
in the class.
b. Each team has at least two students. Could there be 20 students in
the class? Explain why or why not.
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Name_________________________________________________________
Chapter
8
Date __________
Test A
Find the number of faces, edges, and vertices of the solid.
1.
Answers
2.
1.
2.
Draw the solid.
3. triangular pyramid
4. rectangular prism
3.
See left.
4.
See left.
5.
See left.
6.
7.
5. Draw the front, side, and top views of the solid.
8.
Find the surface area of the prism.
6.
7.
8. A piece for a board game is shaped like a triangular prism. The piece is
18 millimeters long. The base of the piece is an equilateral triangle with
10-millimeter sides and a height of 9 millimeters. Find the surface area
of the game piece.
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Name _________________________________________________________ Date _________
Chapter
8
Test A (continued)
Find the surface area of the pyramid. The side lengths of the base
are equal.
9.
Answers
9.
10.
10.
11.
12.
13.
14.
Find the volume of the prism.
11.
15.
12.
16.
17.
13. The rectangular prism has a volume
of 936 cubic inches. Write and solve
an equation to find the missing
dimension of the prism.
14. A file folder box is in the shape of a rectangular prism with a length
of 12 inches, a width of 9 inches, and a height of 10 inches. It is open
at the top. Find the surface area of the file folder box.
15. A playhouse is in the shape of a square pyramid with a side length of
6 feet and a slant height of 12 feet. The wood used to build the walls
of the playhouse costs $3 per square foot. What is the cost of the wood
for the walls of the playhouse?
16. To install the right size heating and cooling system, you must know
how many cubic feet an office building contains. The building is
120 feet wide, 20 feet high, and 48 feet long. Find the volume.
17. A raised gardening bed contains 32 cubic feet of dirt. The bed is
6 feet wide and 8 feet long. How deep is the dirt?
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Name
Date
Chapter Determine whether the question is a statistical question. Explain.
Test A
9
1.
How many years of experience do elementary school teachers have?
2.
What is the favorite food of sixth­grade students?
3.
What is the height of the Empire State Building?
Answers
1.
Display the data in a dot plot. Identify any clusters, peaks, or gaps in the data.
4.
5.
Points
Year
0
1
2
0
2
2010 2012 2011 2014
2
0
1
0
5
2011 2015 2010 2015
0
5
2
6
1
2014 2013 2011 2011
2.
3.
4.
See left.
5.
See left.
Find the mean, median, and mode(s) of the data.
6.
4, 6, 5, 4, 4, 5, 4, 8
95, 90, 100, 90, 85, 95, 75
7.
6.
Find the mean, median, and mode(s) of the data. Choose the measure that best represents the data.
8.
61, 65, 70, 79, 82, 84, 91
9.
7.
31, 35, 2, 32, 27, 35
8.
The table below shows the amount of time you spend 10.
exercising a day. Find the mean, median, and mode(s) of the data.
Time (hours)
1
1.5
0.5
0
1
9.
1.5
2
10.
Find the range of the data.
11.
18, 69, 91, 23, 13, 27 12.
90, 89, 114, 92, 113, 107, 91
12.
Find the median, first quartile, third quartile, and interquartile range of the data.
13.
11.
20, 18, 6, 4, 11, 22, 0 14.
13.
92, 53, 25, 20, 16, 65, 92, 70
14.
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Name
Date
Chapter Find and interpret the mean absolute deviation of the data. Round Test A (continued)
9
your answer to the nearest tenth, if necessary.
15.
16.
Answers
Height (inches)
Vacation Days Taken
57
53
52
59
61
57
55
57
15.
10
7
2
5
The table shows the number of students in a homeroom of 32 17.
3
8
0
10
who brought a lunch from home each day.
Mo
n
Tue
s
We
d
Thur
s
Brought 18
14
Find the mean of the data.
a. Lunch
20
16
Day
16.
17.
a.
b.
Friday is a class field trip and all 32 students bring their lunch. Will the mean for the whole week be greater than or less than the mean for Monday through Thursday? Explain. Then find the new mean.
b.
The data are the number of minutes students spend studying for a test.
18.
18.
a.
b.
19.
35, 32, 38, 34, 36, 69, 32, 25, 41
Find the mean, median, mode, and range.
a.
20.
Does the mean, the median, or the mode represent the data best? Explain your reasoning. a.
b.
b.
The table shows the five fastest and five slowest finishing 19.
times for a track race. Find the MAD of each data set. Then compare their variations.
Five Fastest Times (seconds)
50
20.
51
52
52
53
Five Slowest Times (seconds)
60
61
64
70
78
The data are the number of CDs purchased by students last year.
5, 1, 6, 2, 8, 3, 5, 12, 7, 0
a.
Find the measures of center and the measures of variation for the data.
A new student is added to the data set who purchased 17 CDs last year. Is 17 an outlier? How does adding this value to the data set affect the measures of center and variation? Explain.
b.
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Chapter
Date __________
Test A
10
1. Make a stem-and-leaf plot of the data.
Answers
Time (minutes)
1.
32
45
56
34
48
60
55
38
41
34
60
52
See left.
2.
3.
The stem-and-leaf plot at the right shows
the lengths (in inches) of some snakes.
2. How many data values are in the set?
3. Find the least value and the greatest value.
4. What is the median?
Stem Leaf
0
1
2
3
4
4.
3
1 3 3
0 3 7 8
3
5 6 7 9
5.
6.
7.
Key: 1 | 5  15
5. What is the range?
8.
6. What is the interquartile range?
7. Which value occurs the most often?
9.
8. Is the value 31 in the set? Explain.
See left.
10. a.
9. Display the data in a histogram.
b.
Books Read
c.
Books Frequency
0–3
6
11. a.
4 –7
7
b.
8–11
6
12–15
5
c.
In Exercises 10 and 11, (a) describe the shape of each distribution,
(b) choose the most appropriate measures to describe the center
and variation, and (c) find the measures you chose.
10.
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11.
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Name _________________________________________________________ Date _________
Chapter
10
Test A (continued)
12. Make a box-and-whisker plot for the data.
Answers
Numbers of colors in a country’s flag: 3, 2, 2, 4, 4, 3, 6, 3, 5, 3, 4, 1
12.
See left.
13.
14.
15.
16. a.
In Exercises 13–15, use the histogram
that shows the numbers of songs
downloaded per week by students in
a class.
See left.
b.
c.
13. Which interval contains no
data values?
d.
14. How many students are in the class?
15. What percent of the students
downloaded fewer than 6 songs?
Round to the nearest tenth.
16. The data show the times (in minutes) spent fishing before getting a bite.
12, 25, 28, 20, 18, 16, 22, 30
a. Make a box-and-whisker plot of the data.
b. What fraction of the times are less than or equal to 17 minutes?
c. Find the range and interquartile range.
d. Identify the shape of the distribution. Explain.
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Chapter
11
Test A
Answers
Find the absolute value.
1.
Date __________
1
2. 15
3.
 37
1.
2.
Complete the statement using , , or  .
3.
4.
6
6
5. 0
3
6.
5
9
7. One fish is 4 feet below sea level. Another fish is 3 feet below sea
4.
See left.
5.
See left.
6.
See left.
level. Write each position as an integer. Which integer is greater?
Evaluate the expression.
8. 6   3
10. 10   3
7.
9. 8  1   3
11.  9   9
8.
Multiply.
12. 7   4
9.
13.  2 5 3
10.
Divide, if possible.
14. 12   4
16.
16
8
11.
15. 18  6
17.
12.
0  10
13.
14.
18. You start hiking at an elevation that is 80 meters below base camp.
You increase your elevation by 42 meters. What is the new elevation
with respect to base camp?
19. The temperature falls from 3C to  4C. What is the difference
in these temperatures?
Find the mean of the integers.
20. 5, 15, 7, 13, 1
15.
16.
17.
18.
19.
20.
21.  21,  34,  37,  52,  56
22.  3, 1, 0, 1, 3
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21.
22.
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Chapter
11
Test A (continued)
Name _________________________________________________________ Answers
Date _________
Use mental math to solve the equation.
23.
23. m  4  10
24. w   2  6
25. 4  c  12
26. k  3   9
25.
27. n   8  5
28. 8  d  14
26.
24.
27.
Find the next two numbers in the pattern.
30.  2, 20,  200, 2000,
29. 6, 12, 24,  48,
28.
29.
31. The table shows the temperature in Des Moines, Iowa, for certain
30.
times during a particular day.
31. a.
Time
3 A.M.
8 A.M.
1 P.M.
5 P.M.
10 P.M.
Temperature
15F
 6F
22F
10F
11F
a. What are the high and low temperatures?
b. Find the range of temperatures.
c. Find the change in temperature from 5 P.M. to 10 P.M.
b.
c.
d.
e.
See left.
d. Based on the given five temperatures, what is the average
temperature for the day?
e. Explain why your answer to part (d) is not an accurate average
temperature for the day.
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Chapter
12
Test A
Write the rational number as a decimal.
1. 
Date __________
3
11
Answers
2. – 3
13
20
1.
2.
Write the decimal as a fraction or a mixed number in simplest form.
3.
4.  0.35
3. 3.42
4.
Complete the statement using , , or  .
7
5.  2
8
3
2
4
7. Your skateboard ramp is 2
ramp is 2
6.  6.4
 6.5
3
feet high. Your friend’s skateboard
8
2
feet high. Which skateboard ramp is higher?
5
10. 4
2  1
 6 
5  2
9. 
See left.
6.
See left.
7.
8.
9.
10.
Add or subtract. Write fractions in simplest form.
8. 5.73  3.56
5.
11.
5
1
2
3
3
12.
13.
11.  9.24   2.89
14.
Find the distance between the two numbers on the number line.
15.
12.
13.
3
1
full. After breakfast the jug is
full. Find
12
4
the difference of the amounts before breakfast and after breakfast.
14. A gallon jug of milk is
15. You buy a bag of dog food for $12.59 and a bottle of dog shampoo
for $4.75. How much more did the dog food cost than the shampoo?
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203
Name _________________________________________________________ Date _________
Chapter
12
Test A (continued)
Multiply or divide. Write fractions in simplest form.
 2 
 5 
1
4
16.    1 
18.  4.2  12
Answers
17. 0.15   0.6
16.
17.
19. 
2  8
  
7  21 
18.
19.
20.
2  1  1
   2    1 
3  4  2
21. 9.408   2.45
20.
21.
2
22. How many -ounce packages of peanuts can be made with 8 ounces
3
of peanuts? Explain how you found your answer.
22.
See left.
23.
24.
23. Find the perimeter of the rectangle.
24. A 13.5-gallon gasoline tank is
4
full. How many gallons will it take
5
to fill the tank?
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Chapter
13
Date __________
Test A
Identify the terms and like terms in the expression.
Answers
1. 7 j  3  4 j  9
1.
2. 10a  4b  3a  15b
2
2
3. x  3x  4  2 x  x  12
2.
Find the sum or difference.
4.
4 y
 3   y  2
5.
3 p  7  5 p  6
6.
 2h  1  23h  4
7.
5b  9  38  2b
4.
Factor out the coefficient of the variable.
8. 9 x  36
9.
3.
5.
1
k  15
5
6.
7.
10. Write an expression in simplest form that represents the perimeter
8.
of the polygon.
9.
10.
11.
12.
11. Write an expression in simplest form that represents the area of the
picture frame.
12. One page of a petition can hold p signatures. You were able to
get 4 p  5 people to sign the petition. Your friend was able to
get 2 p  3 people to sign the petition. Write an expression that
represents the number of people that you and your friend got to
sign the petition.
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215
Name _________________________________________________________ Date _________
Chapter
13
Test A (continued)
Solve the equation. Check your solution.
Answers
13. n  6  21
14.  8.3  d  4.7
15.  0.5x   4.3
16.  7 
17. 2 y  3 y  5
13.
z
1
2
14.
15.
18.  2.9  3 f  4.3
16.
Write the word sentence as an equation. Then solve.
17.
19. 11 more than a number q is negative 15.
18.
20. The difference of a number m and 30 is 10.
19.
21. One-third of a number t is equal to 7.
22. The quotient of 5 plus a number d and negative 2 is 14.
20.
In Exercises 23–26, write an equation. Then solve.
23. The temperature is  4F. A high pressure front increases the
21.
temperature to 8F. By how many degrees did the temperature
increase?
24. The monthly dues for a premium membership at a health club is
22.
$15 more than the cost of a standard membership. The premium
membership is $40 per month. What is the cost of a standard
membership?
23.
25. A pack of cardinal flower seeds costs $4, and a pack of petunia
flower seeds costs $2.50. You buy the same number of packs of
each type of flower and spend $39. How many packs of each do
you buy?
24.
26. An egg carton holds 12 eggs. A breakfast buffet uses 96 eggs by
25.
8 A.M. When the buffet ends at 10:30 A.M., a total of 156 eggs were
used. How many cartons of eggs were used after 8 A.M.?
26.
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Chapter
Test A
14
Write the ratio as a fraction in simplest form.
1. 15 girls to 6 boys
Answers
2. 24 players : 3 teams
1.
Find the unit rate.
2.
3. 405 rotations in 5 minutes
4. 72 ounces for 12 servings
3.
Tell whether the ratios form a proportion.
5.
Date __________
8 5
,
24 15
6.
4.
3 12
,
7 21
5.
6.
7. The table shows the rates
for sending text messages.
Are the rates proportional?
Explain.
Messages Cost
7.
50
$6
75
$9
100
$12
8.
See left.
9.
See left.
Use a graph to tell whether x and y are in a proportional relationship.
8.
x
2
4
6
8
y
1
2
3
4
9.
x
3
6
9
12
y
7
13 19 25
10.
11.
12.
Use the table to write a proportion.
10.
Serving Serving
A
B
Servings
2
5
Calories
310
c
11.
Saturday Sunday
Minutes
m
32
Miles
3
4
12. You can buy 5 stickers for $3. Write a proportion that gives the
cost c if you buy 12 stickers.
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227
Name _________________________________________________________ Date _________
Chapter
14
Test A (continued)
Solve the proportion.
13.
2
n

3
12
14.
Answers
33
3

p
28
15.
k
15

6
18
16.
2
3

3
q
13.
14.
Graph the line that passes through the two points. Then find the
slope of the line.
17.
0, 0, 3, 2
18.
15.
4, 4, 8, 8
16.
17.
See left.
18.
See left.
19.
Tell whether x and y show direct variation. Explain your reasoning.
19.
x 1 2
3
4
20. y  x  1
21.
20.
y
2

7
x
y 4 8 12 16
21.
22. Your baseball team has won 6 games and lost 4 games. If the team
does not lose any more games, how many games must the team win
to have a win : loss ratio of 2 : 1? Explain your answer.
22.
See left.
23.
24. a.
23. It costs $145 for 10 people to attend a concert. How much does it cost
a group of 8 people?
b.
24. The graph shows the calories burned
for hiking and downhill skiing.
c.
a. Find the slope of each line.
b. How many more calories do you
burn per minute downhill skiing
than hiking?
c. How many calories would you
burn if you went downhill skiing
for 80 minutes?
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