Chapter 0
Find the LCM (least
common multiple) of 9
and 15.
45
Oscar is 16 years old and
his sister Julia is 12 years
old. What will be the ratio
of Oscar’s age to Julia’s
age in 2 years? Write as
a fraction in simplest
form.
9/7
Write 3.8% as a decimal.
0.038
Jorge is buying new tools
for his tool box. He wants
to purchase a $19.97
hammer, $24.99 wrench,
$59.25 drill. If he has
$110 in his wallet, how
much change will he
receive?
$5.79
Tina lives 1 1/2 miles
from the library. Amanda
lives 4/5 of a mile from
the library. How much
further from the library
does Tina live compared
to Amanda?
7/10 of a mile
Find the GCF (greatest
common factor) of 30,
42, and 48.
6
It took Kevin 270
minutes to jog 6 laps.
How many minutes did it
take to jog each lap at
this rate?
45 minutes
The library surveyed 180
people about their
favorite type of movie. If
40% of the people chose
action, how many people
chose action?
72 people
Lisa solved 416 math
problems for homework
over 26 days. If she
solved the same number
of problems each day,
how many problems did
she solve per day?
16 problems a day
It took Jeremy 2 5/6
hours to drive to
Wildwood, NJ. It took
Courtney 5 times as long
to drive to Atlanta, GA.
How long did it take
Courtney to drive to
Atlanta?
14 1/6 hours
In a clock, a large-sized
gear completes a rotation
every 45 seconds and a
medium-sized gear
completes a rotation
every 60 seconds. If the
gears are aligned now,
how many minutes will
pass before the gears are
aligned again?
3 minutes (which is 180
seconds)
A customer at a raceway
can drive around the
track 54 times for $12. At
this rate, how many
times can the customer
drive around the track for
$8?
36 times
The original price of a
pair of jeans is $40. The
sale price is 15% off the
original price. What is the
amount of the discount?
$6
Roberto uses three 14.7-
ounce cans of chicken
broth when he makes his
tortilla soup. How many
total ounces of chicken
broth does he use?
44.1 ounces
James read 5/7 of the
pages in his book, which
is 168 pages long. How
many pages did he read
already? Write a number
sentence to support your
answer and label your
answer.
5/7 x 168 = 120
James read 120 pages
already.
Ramon is thinking of a 3-
digit whole number with
all even digits, and none
of the digits are the
same. His number is
between 600-750 and it
is divisible by 3. The digit
in the tens place is 8.
What number is Ramon
thinking of?
684
On the Mertler’s vacation
to Florida, they drove
180 miles in 3 hours
before stopping for lunch.
After lunch they drove
120 miles in 2 hours
before stopping for gas.
Are these rates
equivalent? Explain your
reasoning.
Yes, they are equivalent
because they have the
same unit rate. Their unit
rate is 60 miles per hour.
Jeff got a 23/25 on his
first math test, Brianna
earned a 93% on their
second test, and Amara
received a 0.89 on her
test. Who had the highest
average on their test?
Brianna
Nikki is buying some
refrigerator magnets for
her friends. Her total bill
is $16.80. If magnets are
$0.80 each, how many
magnets is she buying?
21 magnets
Carmelo has 15 gallons
of paint. He plans on
using 1 1/4 gallons in
each room. How many
rooms will he be able to
paint?
12 rooms
Abe is going to plant 24
oak trees and 16 pine
trees. He would like to
plant the trees in rows
that all have the same
number of trees and are
made up of only one type
of tree. What is the
greatest number of trees
that Abe can have in
each row? How many
rows of oak trees will
there be? How many
rows of pine trees will
there be?
8 trees in each row. 3
rows of oak trees and 2
rows of pine trees.
A sewing club used 48
feet of fabric to make 8
blankets. At this rate,
how many blankets can
be made from 12 yards
of fabric? (Hint: 3 ft = 1
yd)
6 blankets
During a basketball
game, Dallen attempted
20 shots and made 7. He
says he made 35% of the
shots he took. Is Dallen
correct? Explain your
reasoning.
Yes, Dallen is correct.
7/20 is equivalent to
35/100 which is 35%.
A 3-pack of boxes of juice
costs $1.08. A 12-pack of
boxes costs $4.44. A
case of 24 boxes costs
$9.12. Which is the
better buy? Explain your
reasoning.
The 3-pack. It has the
lowest unit price ($0.36).
The others are $0.37 and
$0.38 per juice box. OR
can scale up the 3-pack
and 12-pack to be 24
juice boxes. In that case,
the 3-pack would be
$8.64 and the 12-pack
would be $8.88.
Ms. Sherman is building a
deck that is 5 1/4 yards
long and 7 5/7 yards
wide. What is the area of
her deck? (A = L * W)
40 1/2 yd2