1st Quarter Review #7
7th Grade Math
1) Dogs outnumber
cats in an area by a ratio
of 9 to 8. There are 180
dogs in the area, how
many cats are there?
2) Which expression is
equivalent to
5   20
A.
5  20
B.  5 
________
C.
6)
2
4
1
1
5
15
______
3) A recipe for lasagna calls
for 3 pounds of tomatoes to
serve 5 people. A caterer
wants to make enough
lasagna to serve 110 people.
How many pounds of
tomatoes does he need?
Name: _________________
4) Use the graph to find the
constant of proportionality (k)
(unit rate). Write the answer as
km/hour.
5) The rectangle below
has a length of 12 units and
an area of 40 units2. Find
the width of the rectangle.
x
20
12
Width: ______________
 5  3 _______
7) Stella writes
1
of a
7
1
of a minute.
15
How many minutes does
it take her to write a full
page?
8) Evaluate each expression.
A.  8x  2 for x  10
9) Use proportions to find the
missing sides (x) and (y) of the
triangle.
page in
_______
B.
x
for x  20
3
_______
C.  10  5x for x  5
_______
x = _______
y = ________
10) If the price of an IPhone increased from $199
to $360, what was the
percent of increase?
11) Use the graph to complete 12) A car goes 425 miles
the missing portions of the table. on 12.5 gallon of gas.
Find the unit rate.
13) Simplify each
expression.
A.
14) Change into a
decimal.
x
13

______
136 17
15) Use proportions to find
the missing value (x).
6
7
B.
(3  4)  (8  7)  5  4
________
Rentals
1
?
10
?
20
Commission
?
20
?
60
?
16) Graph and connect the
following points, then find the
area of the shape.
( -5, 4), ( -5, 0), and (3, 0).
Area = _____________
C.
13  16 _____
D.
5  (8  2)  4  4
______
17) Identify the constant
of proportionality (k)
(unit rate) using the table
below.
x
y
2
3
4
5
24
36
48
60
k = ____________
18) In the United
19) Simplify each
States, average life
expression.
expectancy increased
from about 47 years to 77
2
1
A. 9  6
_______
years during the 20th
3
8
century. Find the percent
of increase.
B.
5
1
 4 _______
9
3
C.
1
 
2
D.
 4
 4   5 _____
 7
20) Find the perimeter and
area of the triangle below.
6
12
3
3
______
a). Perimeter = __________
b). Area = ______________