SHORT REPONSE QUESTIONS (2 points each)
1) The table compares the
heights of Scott and his twin sister Veronica at four different ages.
Heights (in
inches) of Scott and Veronica at Four Ages
|
Name/Age |
8 |
11 |
14 |
17 |
|
Scott |
53 |
59 |
64 |
70 |
|
Veronica |
46 |
52 |
58 |
64 |
On the grid below, create a
double-bar graph showing the information in the table.
Be sure to
·
Title the graph
·
Label the axes
·
Provide an
appropriate key for the graph
·
Provide a scale
for the graph
·
Graph all the
data
2) Jade is playing a game
with the spinner below.
Part A
If Jade spins the spinner 160
times, how many times can she expect to land on blue?
Answer____________times
Part B
On the lines below, explain
how you came up with your answer in Part A.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
3) Jay recorded how little
his hourly wages increased over the past 5 years. He graphed the data in two
different ways.
Problem #3continued
Part A
Which one of the two graphs
is misleading?
Answer_________________
Part B
On the lines below, explain
why the graph you chose is misleading.
______________________________________________________
_______________________________________________________
_______________________________________________________
4) Angela is riding her
bicycle in a 200-kilometer race. She drinks some water once every 4 kilometers,
eats some food once every 10 kilometers, and takes a rest break once every 25
kilometers.
How often does Angela drink
some water, eat some food, and take a rest break all at the same time?
Show your work
Answer once every__________kilometers
5) There are 20 apartments in
Elena’s building. Thirteen of the apartments are two-bedroom apartments. What
percent of the apartments in the building are two-bedroom apartments?
Show your work
Answer_______________%
EXTENDED REPONSE QUESTIONS (3 points each)
1) There
are 4 cats for every 3 dogs in a certain town. There are a total of
620 cats in the town.
Part A
Set up a proportion that
could be solved to find the total number of dogs in the town.
Proportion___________________________
Part B
Solve the proportion to find
the total number of dogs.
Show your work
Answer_________________________dogs
2) The value of a car is changing over
time according to the equation
V
= 8,000 – 500t, where V= value in dollars and t = time in years.
Part A
Use the equation to make a
table of values with at least five ordered pairs.
(DO NOT use values of t less than zero)
|
t |
V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Part B
Graph the equation on the
coordinate grid below.
Question #2 continued
Part C
On the lines below explain
what the approximate value of the car is when it is 2.5 years old according to
the graph.
________________________________________________________
________________________________________________________
________________________________________________________
3) Tyler and Jorge competed
in four gymnastics events. The table shows their scores in each event.
GYMANASTICS
SCORES
|
EVENT |
Tyler’s Score |
Jorge’s Score |
|
Floor exercise |
7.5 |
7.0 |
|
Pommel horse |
5.0 |
7.5 |
|
Vault |
6.5 |
6.0 |
|
Parallel bars |
7.0 |
8.0 |
Part A
On the lines below explain
what type of graph is best to use to show this data.
________________________________________________________
________________________________________________________
________________________________________________________
Part B
On the grid below, make a
graph to show this data.
Be sure to
·
Title the graph
·
Label the axes
·
Provide an
appropriate key for the graph
·
Provide a scale
for the graph
·
Graph all the
data
4) Carly’s probability
experiment is a compound event consisting of 1 coin flip and 1 spin of the
spinner.
Part A
How many outcomes are there
in the sample space for this experiment?
Answer__________________outcomes
Part B
On the lines below, explain
how you found your answer.
________________________________________________________
________________________________________________________
________________________________________________________
Part C
If the experiment is changed
to include 1 coin flip and 2 spins of the spinner, what is the effect on the
number of outcomes in the sample space? Explain.
________________________________________________________
________________________________________________________
________________________________________________________
|
RESULT |
NUMBER |
|
Reply |
11 |
|
No reply |
36 |
|
Not deliverable |
3 |
5) The table shows the
results of 50 e-mail
messages.
Part A
According to these results,
what is the probability that a given e-mail message will receive a reply?
Probability_____________________
Question #5 continued
Part B
According to these results,
if 600 e-mail messages are sent, what is the best prediction for the number of
times the result will be “No Reply”?
Show your work
Answer____________________times
Part C
Suppose 600 e-mail messages
are sent and 120 replies are received. On the lines below explain how these
results compare to the prediction in Part B.
________________________________________________________
________________________________________________________
________________________________________________________
GRADE 7
NAME____________________
DATE_______________
CLASS_________________