2nd Quarter Review #2
7th Grade Math
1) A watch costs $50
and is on sale for 25%
off. The sales tax is
4%. Find the discount,
tax and the total cost of
the watch.
Discount = ________
Tax = _________
2)
Simplify.
A.
1 7
5 
______
8 12
B.
3
2
4
3
3) Country music is the
primary format for 20% of
American radio stations.
There are about 10,600 radio
stations in the US. About
how many of the stations
play country music?
6)
4) Use the graph to find the
constant of proportionality (k) (unit
rate).
____
9
C. 12(0.6)  6(0.88)
_______
7) Calculators are on
sale at a price of $1,000
for 20. How many can
be purchased for $1,250?
5) The rectangle below
has a length of 9 units and
an area of 60 units2. Find
the width of the rectangle.
x
Cost = ____________
4 3 2


7
7 7
Name: _________________
8) Evaluate each expression.
A. 2x  1 for x  1.8
_______
B.
x
for x  12
7
_______
C.
5.6  6.1x for x  1.6
_______
K = __________
Width:
______________
5
2
of a bucket in
7
8
of a minute. How long will it take
him to fill the bucket?
10) There are 27
students in a 7th grade
class. For a fundraiser,
each student sells 50
candy bars that cost $0.75
each. If the class gets to
keep 40% of the profit
from the sales, how much
money does the class get
to keep?
9) Jim can fill
11) Isaac practiced the piano
three days last week for a total
1
of 9 hours. On average, how
2
many hours each day did Isaac
practice?
12) What is the value of
the expression?
 6  9 12


2
3
4
13) Find each missing
value.
14) Change into a
decimal.
A. Find 33% of 99
______
3
22
15) A person 5 feet tall casts a
shadow 8 feet long. A tree
casts a shadow of 28 feet. Use
proportions to find the height
of the tree.
B. 25% of what number
is 10?
_______
A. 3
B. 0
C. -3
C. 17 is what percent of
50? _____
D. -6
16) Graph and connect the
following points, then find the
area of the shape.
( -5, 4), ( -5, -2), (1, -2), (1, 4).
17) Identify the constant
of proportionality (k) (unit
rate) using the table below.
Hours
1
2
3
4
5
18) A $30 paint brush
is on sale for 10% off.
Find the discount and the
final cost of the paint
brush.
Money
Earned
$9
$18
$27
$36
$45
19) Simplify each
expression.
A. 10m  12m _____
B.  3 p  8 p ______
8
10
7
C.
3
2 
w
w
5
 5 
______
Discount = _________
D.
Area = _____________
k = ____________
20) Find the perimeter and
area of the triangle below.
Cost = ____________
2( 4k  6) _____
a). Perimeter = __________
b). Area = ______________