Download Lesson 4 Homework Practice

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NAME
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DATE
PERIOD
Lesson 4 Homework Practice
Terminating and Repeating Decimals
Write each fraction as a decimal. Use bar notation if the decimal is a
repeating decimal.
0.625
1.
0.2
—0.1
0.54
5.
o.ö
0.83
7.
0.6
0.428571
16.
17.
—0.75
9.
—0.183
—
0.275
11.
0.079365
13.
0.432
3.
-
0.65
—0.3
15.
0.216
18.
—0.136
—
-
0.21875
a
Write each decimal as a fraction or mixed number in simplest form.
—*
19. —0.4
21. —3.75
t!083
23. —0,16
—2-
—4-
.—0.65
—*
_-g
c.2.42
25. KILOMETERS One kilometer is approximately
represents this length? 062
mile. What decimal
a
won 7 of the 15 races he ran, Write Jake’s fraction of
cARATHON Jake
wins as a decimal.
Course 1
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Chapter 5 Integers and the Coordinate Plane
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NAME
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Lesson 5 Homework Practice
Compare and Order Rational Numbers
Fill j
with <, >, or
1. —4-
=
—4.12 <
2.93
)_12_13
7.6
—8.5
>
5. —3.72
<
7. —2.87
to make a true statement.
<
>
—19.03
>
>
1L—1.4
9. —24.7
—24-b
• —31.1
<
<
<
Order the following sets of numbers from least to greatest.
{14, —1.23,
13. (43.18,
—+‘ —43.3, 43}
—43.3, —43-i., 43.18, 43--
15. (13.7, 13-k,
13,
13.2)
—1.23,
{6*, —6+.
—13.2, —13, 13-i, 13.7
_i4 1.14)
1.14, 16.3. 6.04)
—6.3, —6+, 6.04, 6*
17. SUBMARINE A submarine’s depth levels are recorded in the
table at the right. Order the numbers from least to greatest.
Depth
—4.3
—82.5, —41*, —131, —4.3
—82.5
-41g.
-1
8
E
E
18.OALS A runner wants to run the 100—meter (lash in
13 seconds or less. The table shows the difference
between his goal and his actual times. Order the
differences from least to greatest.
—1.2,
—,
1.1, 21
Race
Differences
Between Goal and
Actual Time (s)
1
—1.2
2
21
8
3
4
Course 1
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Chapter 5 Integers and the Coordinate Plane
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NAME
DATE
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Lesson 6 Homework Practice
The Coordinate Plane
Use the coordinate plane at the right. Identify the point
for each ordered pair.
K
1. (—3.4)
F
(—4, —3)
-
TJT-Y bTT
1
-
: iz
-
3. (—2, —2)
B
—1)
‘
E
Liii_
H
5. (0, 1)
cs—i,
—4)
J
Use the coordinate plane above. Write the ordered pair that
names each point. Then identify the quadrant where each
point is located.
7. C (—4, 1); II
9..D
(1,5);I
11. G (—2, 2); II
(3, 2); I
(1,—5);IV
(0, 2); none
0
0
0
Use the map of the Alger Underwater Preserve in Lake
Superior to answer the following questions.
13, In which quadrant is the Stephen M.
Selvick located?
none
0
E
1hat is the ordered pair that represents
the location of the Bermuda? the Superior?
E
Bermuda: (—2, —1)
Superior: (4, 1)
15. Which quadrant contains Williams Island?
II
(16.)Which shipwreck is closest to the Origin?
Herman H. Hettler
Course 1
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Chapter 5 Integers and the Coordinate Plane
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NAME
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Lesson 7 Homework Practice
Graph on the Coordinate Plane
Graph and label each point on the coordinate plane.
1. L(—2, 0)
M(5, 2)
3. N(—4, —3)
P(1, —fl
5. Q0, —4)
R(3. —3)
:i:
Ax,
0
7. C(O,0
9. D(—1, —3)
11. G(—1, 4)
A(4, 0)
1(3, 3)
On the coordinate plane, draw triangle ABC with
vertices A—3.3), B( —3,—3). C(1.—3). Find the area
of the triangle in square units. 12 sq units
-
0
14SEE
0
E
-w
i 14j On the coordmate plane. draw rectangle WK’Z with
vertices Wt—i,4),X—1.1>. 5i). and Z(5,4). Find the
perimeter of the rectangle. 18 units
x.
—
:
Course 1
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Chapter 5 ntegers and the Coordinate Plane
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—
y
z
Y
x
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Lesson 4 Problem-Solving Practice
Terminating and Repeating Decimals
1. BOYS AND GIRLS There were 5 girls and
22 boys in Mrs. Pantoja’s math class.
Write the number of girls as a fraction
of the number of boys. Then write the
fraction as a decimal.
c&DOGS In a neighborhood of 75 families,
16 families own one or more dogs. Write
the number of families who own one or
more dogs as a fraction. Then write the
fraction as a decimal.
0.227
3. PHONES In one town, about 93 of every
100 people use cellular telephones.
Write this amount as a fraction. Then
write the fraction as a decimal.
At a reunion, 14-s- blueberry pies
were eaten. Write the amount of pies as
a decimal. 14.625
100’
mile on Tuesday JVOTING In a recent school election, 208
of the 325 freshmen voted in their class
and 1+ miles on Wednesday. Write each
election. Write the fraction of freshmen
distance as a decimal. 0.9375; 1.25
who voted. Then write the fraction as a
decimal. .!. 0 64
5. RUNNING Tora ran
325’
80
Course I
Chapter 5 integers and the Coordinate Plane
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Lesson 5 Problem-Solving Practice
Compare and Order Rational Numbers
1. FLORIST Paige wants to sell a certain
number of roses each month. The
difference between her goal and her
actual sales is shown. Order the
differences from least to greatest.
Month
Difference
SlENE A scientist recorded the
differences in weights of mice after a
change in the diet and exercise routine.
The differences were:
ounce,
0.23 ounce, —0.4 ounce, and ounce.
—
1
Order the differences from least to
greatest.
January
—0.4, 0.23,
February
6.8
March
2*
April
—‘
—1.7
—1.Z 2*, 6.8
JTIMES The difference in the runners’
goals and their actual times is shown.
Order the numbers from least to
inch, Kayla’s plant grew 0.4 inch, and
greatest. —3.2,
1.43
—21,
inch. Order
Mirenda’s plant grew
3. PLANTS In one week, Kateira’s plant
grew 0.58 inch, Stefano’s plant grew
--
the amounts from least to greatest.
0.4,
Difference
Runner
0.58
Sean
—3.2
, ,
OQ
6
Lacey
1-C,
3
Maura
C
Amos
5. MOVIE Each homeroom recorded the
difference in costs for making a movie
from their budget. Which homeroom
exceeded their budget the most?
1,43
\9PlCTURES A photographer records the
amount he changes his shutter speed
for each photo he takes. The changes
and 1.4. Order the
are —1.5, 1,
changes from least to greatest.
—,
Homeroom
Difference
A
104+
B
—56.40
C
104*
D
—32.50
—t5,
—-j, ij, t4
t
3
C
0Q
C
e
C
C
C
3
Homeroom C
82
3
Course I
Chapter 5 Integers and the Coordinate Plane
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Lesson 6 Problem-Solving Practice
The Coordinate Plane
MAPS For Exercises 1—4, use the map shown below. The X’s indicate buried
treasure.
iJiid]
r)
)
“
)
1
1’ x
. ..—‘‘
k.
,ci
L
-,
—,
,_‘-.-_-
(
x
/
,.s’
1. What are the coordinates of the
northernmost treasure? (0°, 75°N)
—Th
1
r.J
(What are the coordinates of the
westernmost treasure?
(120°W, 15°S)
C,
©
3. What are the coordinates of the
treasure located on its own island?
(120°E, 45°S)
GWhat are the coordinates of the
treasure closest to the northernmost
treasure? (60°E, 60°N)
*0
C
*0
C
5. On a map, Luisa placed her school at
(0,0) and her home at (—3,4). Which
quadrant is the point representing her
home located in? Quadrant It
GOn the same map, Luisa placed her
friend Manny’s house at (2, —5). Which
quadrant is the point representing
Manny’s house located in?
Quadrant IV
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Chapter 5 Integers and the Coordinate Plane
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Lesson
PERIOD
7 Problem-Solving Practice
Graph on the Coordinate Plane
MONEY For Exercises 1-4, use the table and the coordinate plane.
School buttons sell for $2 each, When you have completed the table and the graph, both the
table and graph will show the costs of purchasing up to 5 school buttons.
yaxis
Number of
Buttons Sold
1
2
2
4
3
6
4
8
10
5
zJ
Price($)
:
ço
origin
23
1. Complete the second column of the
table by writing the cost of each
number of buttons.
xaxis
373; 10
Make a list of ordered pairs from the
table.
(1, 2), (2, 4), (3, 6), (4, 8), (5, 10)
See table above.
n
a
(p
3. Graph the ordered pairs. Label each
Describe the coordinate plane that you
point with its ordered pair. Describe the
have completed. How is it different
graph of the points,
from other systems you have used?
See graph above. The points
appear to fall in a line,
a
Sample answer: It uses positive
integers only and extends on
both axes to +10 points; it has
only one quadrant.
a
5. TRACK If it takes Trixie 8 minutes to
run a mile, then 8m represents her
total time where m is the number of
miles she has run. List the ordered
pairs (number of miles, total time) for 0,
1, 2, and 3 miles.
If you were to graph the ordered
pairs from Exercise 5, what would their
graph look like?
They are all in a straight line.
(0, 0), (1, 8), (2, 16), (3, 24)
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Course
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Chapter
5
Integers and the Coordinate Plane
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a
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