Transcript Numbers & Operations

Numbers & Operations
review problems
#1
 The sum of two consecutive integers is -25.
Which of these is one of those integers?
A. -5
B. -10
C. -12
D. -25
#2
 Which of the following best represents the
location of point A on the number line shown
below?
A. 2 3
4
1
C. 1 2
1
B. 2
4
1
D. 1
4
#3
 Which of the following number sentences is
represented on the number line shown
below?
A. -2 + (-3) = 1
B. 1 + (-2) = -2
C. 1 – (+2) = -1
D. -2 + 3 = 1
#4
 Which of the following is equivalent to the
expression below?
(4)(-x)(-y)
A. 4xy
B. -4xy
C. (-4)(x)(y)
D. (-4)(-x)(-y)
#5
 At 7:00 a.m., the temperature was -6°F. The
temperature was 8°F higher at noon. Which
of the following expressions can be used to
calculate the temperature at noon?
A. -6 + 8
B. -6 – 8
C. 8 + 6
D. 8 – (-6)
#6
 The table below shows the low temperatures of
four cities on one winter night.
Which city had the lowest temperature that night?
A. Boston
B. Lowell
C. Springfield
D. Worcester
#7
 Which of the following expressions is not
equivalent to -7?
A. (-4 – 3)
B. –(4 +3)
C. 4  3
D. - 4  3
#8
 What is the product of -7 and -4?
A. -28
B. -11
C. 11
D. 28
#9
 Compute:
(-8) + (+6) =
A. -14
B. 14
C. -2
D. 2
#10
 At 6 p.m. the temperature at the North Pole
was -19°F. By midnight the temperature had
dropped 18°. What was the temperature at
midnight?
A. 1°F
B. -1°F
C. -37°F
D. 37°F
#11
 Shanelle and Chin are playing a new board game
using green and yellow chips. Each green chip is
worth +1 point. Each yellow chip is worth -1 point.
If Shanelle has 7 green chips and 25 yellow
chips, which is her score?
A. 32
B. -32
C. 18
D. -18
#12
 Compute:
(+7)(-7)
A. -49
B. 49
C. 0
D. -14
#13
 Which of the following shows the numbers in
the order in which they occur from left to right
on a number line?
1
A. 0, , -1
2
1
B. 0, -1,
2
1
C. 1, - 2 , 0
1
D.  , -1, 0
2
#14
 Compute.
(-5)(-7) =
A. -35
B. -12
C. 12
D. 35
#15
 Mount Katahdin, the highest point in Maine, is
5,267 ft above sea level. A part of Casco Bay
is 246 feet below sea level. What is the
difference between these two levels?
A. 4,979 ft
B. 5,021 ft
C. 5,503 ft
D. 5,513 ft
#16
Which of the following shows the numbers
ordered from least to greatest?
A. 0.004, 0.07, 0.6, 0.32
B. 0.004, 0.6, 0.07, 0.32
C. 0.004, 0.07, 0.32, 0.6
D. 0.004, 0.32, 0.07, 0.6
#17
1
1
How many times larger is than ?
2
8
A. 2
B. 4
C. 6
D. 16
#18
 Which of the following shows the numbers
ordered from least to greatest?
A. 0.31, 0.04, 0.6, 0.007
B. 0.007, 0.04, 0.31, 0.6
C. 0.6, 0.31, 0.04, 0.007
D. 0.007, 0.31, 0.04, 0.6
#19
 Which of the following groups of numbers are
arranged from least to greatest?
2
A. 9 , 9.21, 9.2, 9.2
5
2
B. 9.2, 9.21, 9.2, 9
5
2
C. 9.2,` 9.2, 9.21, 9
5
2
D. 9 , 9.2, 9.2, 9.21
5
#20
 Which number is greatest?
A. 0.27
B. 0.046
C. 0.297
D. 0.3
#21
1
3
<?<
4
5
A. 1
8
6
B.
10
3
C.
4
1
D.
2
#22
 When the students in Mrs. Bird’s room are put
into teams of 2, 5, or 6, there is always one
student left over. How many students are in
Mrs. Bird’s room if there are fewer than 50?
A. 31
B. 30
C. 29
D. 11
#23
 Which of the following statements is true?
A. 0 < -3.2
B. -5.9 > 1.2
C. -2.8 < -7.4
D. -1.9 > -6.0
#24
 Solve.
6(-18) =
A. -108
B. -12
C. -3
D. 108
#25
 What is the difference between the smallest
positive 3-digit number and the largest
positive 2-digit number?
A. 1
B. 9
C. 10
D. 90
E. 900
#26
 What temperature
would be 15°F more
than the temperature
shown on the
thermometer?
A. -20° F
B. -10° F
C. 10° F
D. 15° F
E. 20° F
#27
 (-25)(-7)
A. -35
B. -12
C. -2
D. 12
E. 35
#28
 Which one is written in order from smallest to
largest?
1 1
A.3.7, -3.2, -2, 0.7, 5 , 4
B.3.7, -3.2,  2, 1 , 1 , 0.7
1 1
C. 3.2, -3.7, -2, 5 , 4 , 0.7
1 1
D. 3.7, -3.2, -2, , , 0.7
5 4
4 5
#29
 At the fall festival the tennis team is selling
hamburgers for $2.00, hotdogs for $1.50 and
drinks for $1.00. Half of the money raised will go
towards the purchase of team uniforms. If they
sell 21 hamburgers, 34 hotdogs, and 65 drinks,
how much money will they have to put towards
the purchase of uniforms?
A. $60
C. $120
B. $79
D. $158
#30
 In January, Mary starts off with $50 in her
checking account. During the month she deposits
$235.89 and writes checks totaling $45.77. At the
end of the month she decides to take half of the
money left in the account and deposit it into her
savings account. How much did she deposit in her
savings account?
A. $142.94
C. $120.06
B. $165.83
D. $240.12
#31
 Two consecutive numbers add up to 127.
What are the two numbers?
A. 62 and 63
B. 63 and 64
C. 64 and 65
D. 45 and 82
#32
 Jill spent a total of $5.37 at the fair buying
three hotdogs and one hamburger. A
hamburger cost $0.37 more than a hotdog.
How much does a hotdog cost?
A. $0.88
B. $1.25
C. $1.62
D. $5.00
#33
 Which number is the largest?
A. -10
B. -5
1
C. 
2
D.  1
3
#34
 Multiply
-10 x -33
A. -330
B. -33
C. 33
D. 330
#35
 Simplify.
-1.6 + 5.7 + -3.2
A. 0.8
B. 0.9
C. 1
D. 1.1
#36
 Which is equivalent to 13 - 33 ?
A. 7
B. 4
C. -10
D. -14
#37
 During a winter’s night, the low temperature
was recorded at 19° F. The wind-chill
temperature that same night was -7° F. What
was the difference between the wind-chill
temperature and the low temperature?
A. 7° F
B. 12° F
C. 25° F
D. 26° F
#38
 A fruit delivery truck traveled 65 miles for Monday
deliveries. The truck starts at the fruit distribution
center, makes 3 deliveries, and returns to the fruit
distribution center. The 4 distances traveled are
consecutive numbers that differ by half a mile. How
far is it from the fruit distribution center to his first
delivery?
A. 15.5 miles
C. 16.5 miles
B. 16 miles
D. 17 miles
#39
 Marcus has $40 in his pocket. Joseph has twice as
much as Marcus, Jenna has half as much as
Marcus, and Sam has one-third as much as
Marcus. Order the individuals based on the amount
of money they have from least to greatest.
A. Sam, Jenna, Marcus, Joseph
B. Jenna, Sam, Marcus, Joseph
C. Sam, Jenna, Joseph, Marcus
D. Joseph, Marcus, Jenna, Sam
#40
 Simplify
-19 – 7
A. 12
B. 26
C. -12
D. -26