1 Quarter Review #9 Name: _________________

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1st Quarter Review #9
7th Grade Math
1) 24% of the cars in
the parking lot were
blue. If there were 87
cars in the lot, about
how many of them were
blue?
2) Which expression is
equivalent to
10   2
A.
6)
3
2
2
8
5
10  2
4) Use the graph to find the
constant of proportionality (k)
(unit rate).
5) The rectangle below
has a length of 15 units and
an area of 55 units2. Find
the width of the rectangle.
______
x
B.
 10  2
C.
 10  2 _______
7) Holly can run
3) About 60% of the human
body is water. At this rate,
how many pounds of water
are in the body of a 95-pound
person?
Name: _________________
______
1
of a
5
1
of a minute.
10
How many minutes does
it take her to run a yard?
15
Width: ______________
K = __________
8) Evaluate each expression. 9) Use proportions to find the
missing sides (x) and (y) of the
trapezoids.
A.  3x  5 for x  8
yard in
_______
B.
x
for x  35
7
_______
C.  10  6x for x  2
x = _______
_______
y = ________
10) If the price of a MacBook decreased from $350
to $175, what was the
percent of decrease?
11) Use the graph to complete 12) Which bottle of hair
the missing portions of the table. conditioner is the best
buy?
13) Simplify each
expression.
14) Change into a
decimal.
10.5 3

______
x
5
8 oz. for $1.49 ________
A.
12 oz. for $2.29 _______
B. (6) 2  (5  7) 2  3
15) Use proportions to find
the length of side EF.
5
8
________
15 oz. for $2.75 _______
C.
20 oz. for $3.89 _______
Time
1
?
D.
2  9 35 65  2
Calories
?
100
16) Graph and connect the
following points, then find the
area of the shape.
( -4, 3), ( -4, -2), and (5, -2).
22  30 _____
______
17) Identify the constant
of proportionality (k)
(unit rate) using the table
below.
18) A $59 video game
is on sale for 30% off.
Find the final cost of the
video game.
Discount = _________
Area = _____________
k = ____________
Cost = ____________
19) Simplify each
expression.
2
 _______
 9 
20) Find the perimeter and
area of the triangle below.
A. 7  
B.
3
2
6  1 _______
5
3
C.
3
 
8
D.
 6
1   4 _____
 7
5
10
2
2
______
a). Perimeter = __________
b). Area = ______________
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