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Review For Test #3
PEMDAS
Writing
Equations
Proportions
LCM/GCF
Estimation
10
10
10
10
10
20
20
20
20
20
30
30
30
30
30
40
40
40
40
40
50
50
50
50
50
Question 1 - 10
Simplify the following expression.
40 - 18 ÷ (9 - 6)
Answer 1 – 10
34
Question 1 - 20
What is the value of the expression below?
60 - 2 x 7 + 5 x 4
Answer 1 – 20
26
Question 1 - 30
Simplify the following expression.
4 + 6 x 8 ÷ 12
Answer 1 – 30
8
Question 1 - 40
Which expression below has the same
value as 48 - 8 x 2
a. (4 + 4) x 6
b. 8 x (9 + 1)
c. 6 ÷ 2 x 20
Answer 1 – 40
b. 8 x (9 + 1) = 80
Question 1 - 50
Fred had $35 in his wallet. He bought 6 cards
for $2.50 each and 4 pens for $3.25 each.
After paying for his items, he found another
$6 in his pocket. This expression can be
written as
35 - (6 x 2.50) - (4 x 3.25) + 6
Simplify this expression……….
Answer 1 – 50
$13.00
Question 2 - 10
Pam weighs 6 pounds less than her friend Tina.
Pam weighs 92 pounds. How much does Tina
weigh?
Which equation models the situation above.
a. T = 92 + 6
b. P = 92 - 6
c. P x T = 92
Answer 2 – 10
a. T = 92 + 6
Question 2 - 20
• Mr. Chen had 78 cookies and he handed out 3
cookies to each student in his class, which
used up all the cookies. Which equation can
be used to calculate s, the number of students
in his class?
a. S = 78 ÷ 3
b. S = 78 x 3
c. S = 75 - 3
Answer 2 – 20
a. S = 78 ÷ 3
Question 2 - 30
• Jose ran 6 laps at track practice on each of two
days last week. He ran 4 laps at practice on
each of the other two days. Which equation
can be used to find l. The total number of laps
he ran?
• A. L = 6 x 4
• B. L = 2 (6) + 2 (4)
• C. L = (6 + 4) ÷ 2
Answer 2 – 30
b. L = 2 (6) + 2 (4)
Question 2 - 40
Which formula can be used to find the
perimeter p of an equilateral triangle with
A side length of n? Side Length (n) Perimeter (p)
a. P = n + 3
10
30
12
36
15
45
20
60
b. P = 3n
c. = 6 + n
Answer 2 – 40
P = 3n
Question 2 - 50
What is the rule for the table of values
below?
Input (x)
Output (y)
2
5
4
9
6
13
8
17
a. Y = x + 3
b. Y = 3x + 1
c. Y = 2x + 1
Answer 2 – 50
c. Y = 2x + 1
Question 3 - 10
Charlotte’s class has 21 girls and
14 boys. What is the ratio of
girls to boys in her class?
Answer 3 – 10
21:14
21 to 14
21/14
Question 3 - 20
Answer 3 – 20
a. X = 3
Question 3 - 30
If there are 8 brown squirrels in a 20
acre forest, what would be the
number of brown squirrels in a 60
acre forest?
Write the proportion only!
Answer 3 – 30
Question 3 - 40
Two cups of raw broccoli contain
200 milligrams of vitamin C.
About how many milligrams of
Vitamin C are in 6 cups of raw
broccoli?
Answer 3 – 40
600 Milligrams
Question 3 - 50
The table below shows the growth of a seedling over a
period of days. If the growth rate is constant, how
tall will the seedling be after 12 days?
Number of Days
Length of Stem (cm)
5
2
7
4
10
7
12
S
3 – 50
9
Question 4 - 10
What is the LCM for the numbers
6 and 8?
Answer 4 – 10
24
Question 4 - 20
What is the GCF for the numbers 40 and 12?
Answer 4 – 20
4
Question 4 - 30
Jasmine has 36 blue bead and 20 yellow beads. She
wants to use all the beads to make bracelets that each
have an equal number of each color of bead. What is
the GREATEST number of beads Jasmine can use to
divide the beads evenly?
Answer 4 – 30
4
Question 4 - 40
Mrs. Taylor asked her students to write down
the least common multiple of 6 and 8. TJ
wrote the 24 and Griffin wrote 48. Who had
the right answer?
Answer 4 – 40
TJ
Question 4 - 50
Julian collects stamps. He has 18 bird stamps, 9 flower
stamps, and 12 butterfly stamps. For a school
project, he will display an equal number of each kind
of stamp on small poster boards. What is the
greatest common factor of the different styles of
stamps?
a. 3
b. 9
c. 72
Answer 4 – 50
a. 3
Question 5 - 10
Candy went to the store to buy some
grocery items. Round the amounts
to the nearest dollar. How much did
Candy spend?
Milk - $3.59
Eggs - $1.79
Bananas - $0.79
Answer 5 – 10
$7.00
Question 5 - 20
Solve the following addition problem by
rounding to the nearest whole number before
adding.
7.62
8.13
4.90
+1.82
Answer 5 – 20
23
Question 5 - 30
Tom spent the following on three
items at Sportstown. Round
each item and total the amount.
Bag of baseballs
14.87
Catcher’s mitt
36.24
Pair of cleats
21.78
Answer 5 – 30
$73.00
Question 5 - 40
Johnny bought a cordless phone on sale for
$15.99. The regular price of the phone was
$20.00. What is the best estimate of the
amount of money that Johnny saved by
buying the phone on sale?
Answer 5 – 40
$4.00
Question 5 - 50
The sugar content of some sweet snacks is shown in
Snack
Sugar
the table.
(g/srvng)
Gum drops
127
If you eat one serving of each of
These, approximately how many
Grams of sugar are you eating?
Fudge
820
Ice Pop
102
a. 1100 grams
c. 600 grams
b. 1000 grams
Answer 5 – 50
1000 grams