Transcript Unit Three - Effingham County Schools

Unit 3
Assessment Review
Multiplying and Dividing Decimals
Ginny spent $20.25 for school lunches. If
each lunch costs $2.25, how many lunches
did she buy?
Jennifer spent $42.00 for school lunches. If
each lunch costs $3.50, how many lunches
did she buy?
Walter spent $19.50 for school lunches. If
each lunch costs $1.50, how many lunches
did he buy?
Michael spent $35.00 for school lunches. If
each lunch costs $2.50, how many lunches
did he buy?
Finish the pattern:
9.41 ÷ 1 = 9.41
9.41 ÷ 0.1 = 94.1
9.41 ÷ 0.01 = ______
A.
B.
C.
D.
0.00941
0.0941
9.41
941
Finish the pattern:
12.9 ÷ 1 = 12.9
12.9 ÷ 0.1 = 129
12.9 ÷ 0.01 = ______
A.
B.
C.
D.
12900
1290
1.29
0.129
Finish the pattern:
456.32 ÷ 0.01 = 45,632
456.32 ÷ 0.1 = 4563.2
456.32 ÷ 1 = ______
A.
B.
C.
D.
4.5632
45.632
456.32
4563.2
Finish the pattern:
81.482 ÷ 0.01 = 8148.2
81.482 ÷ 0.1 = 814.82
81.482 ÷ 1 = ______
A.
B.
C.
D.
8.1482
81.482
0.81482
0.081482
Which multiplication sentence checks the
division problem 21.696 ÷ n = 45.2?
A. 4.52 x 4.8 = 21.696
B. 45.2 x 0.048 = 2.1696
C. 452 x 0.48 = 216.96
D. 0.452 x 4.8 = 2.1696
Which multiplication sentence checks the
division problem 37.38 ÷ n = 1.4?
A.
B.
C.
D.
0.14 x 0.267 = 0.03738
0.14 x 2.67 = 0.3738
1.4 x 2.67 = 3.738
1.4 x 26.7 = 37.38
Which multiplication sentence checks the
division problem 173.712 ÷ n = 72.38?
A.
B.
C.
D.
72.38 x 24 = 1737.12
7.238 x 2.4 = 17.3712
72.38 x 2.4 = 173.712
7.238 x 0.24 = 1.73712
You need 17 gallons of gas to fill up your
car. If gas cost $3.29 per gallon, how much
will it cost to fill up your gas tank?
A.
B.
C.
D.
$26.32
$55.33
$55.66
$55.93
You need 16 gallons of gas to fill up your
car. If gas cost $3.14 per gallon, how much
will it cost to fill up your gas tank?
A.
B.
C.
D.
$21.98
$50.04
$50.10
$50.24
You need 19 gallons of gas to fill up your
car. If gas cost $3.68 per gallon, how much
will it cost to fill up your gas tank?
A.
B.
C.
D.
$96.31
$69.92
$60.11
$39.60
Tom bought 1.8 pounds of ham from the
deli. He paid a total of $3.69 for the ham.
What was the price per pound of the ham?
A. $1.05
B. $2.00
C. $2.05
D. $2.15
David bought 2.6 pounds of turkey from
the deli. He paid a total of $11.05 for the
turkey. What was the price per pound of
the turkey?
A. $3.15
B. $3.25
C. $4.15
D. $4.25
Diane bought 1.4 pounds of Swiss cheese
from the deli. She paid a total of $3.57 for
the Swiss cheese . What was the price per
pound of the Swiss cheese ?
A. $2.55
B. $3.89
C. $3.99
D. $4.09
Davis bought 2.8 pounds of bologna from
the deli. He paid a total of $11.62 for the
bologna. What was the price per pound of
the bologna?
A. $3.05
B. $3.15
C. $4.15
D. $4.25
Which of the following is the correct
answer for 45.85 x 100?
A.
B.
C.
D.
45.85
458.5
4585
45,850
Which of the following is the correct
answer for 37.52 x 10?
A.
B.
C.
D.
3752
375.2
37.52
3.752
Which of the following is the correct
answer for 635.85 x 100?
A.
B.
C.
D.
63.585
635.85
6358.5
63,585
Which of the following is the correct
answer for 75.31 x 100?
A.
B.
C.
D.
7531
7.531
75.31
753.1
Josh and his two friends went to the Atlanta Braves
game. The cab ride from the hotel to the stadium costs
$1.50 per person. In addition, the cab ride will cost
$1.25 per 0.5 mile. The total distance from the hotel to
the stadium is three miles. How much would each
person pay if they split the cost evenly?
Kent and his five friends went to the Daytona
Speedway. The cab ride from the hotel to the race track
costs $1.35 per person. In addition, the cab ride will
cost $1.25 per 0.5 mile. The total distance from the
hotel to the stadium is three miles. How much would
each person pay if they split the cost evenly?
Rebekah and her three friends went to the Atlanta Zoo.
The cab ride from the hotel to the zoo costs $1.15 per
person. In addition, the cab ride will cost $1.50 per 0.5
mile. The total distance from the hotel to the stadium is
two miles. How much would each person pay if they
split the cost evenly?
Grace and her three friends went to the Atlanta Zoo.
The cab ride from the hotel to the zoo costs $1.45 per
person. In addition, the cab ride will cost $1.15 per 0.5
mile. The total distance from the hotel to the stadium is
two miles. How much would each person pay if they
split the cost evenly?
Find the quotient.
4.9 ÷ 103=
A. 0.0049
B. 0.049
C. 0.49
D. 4900
Find the quotient.
23.5 ÷ 104=
A.
B.
C.
D.
235
0.235
0.0235
0.00235
Find the quotient.
3.4 ÷ 103=
A.
B.
C.
D.
0.34
0.034
0.0034
0.00034
Find the quotient.
8.1 ÷ 102=
A.
B.
C.
D.
8100
810
0.81
0.081
Will had $12.75. He wants to divide this amount evenly
between himself and two of his friends. How much
should each person get?
A. $3.25
B. $4.15
C. $4.25
D. $5.25
Samantha had $15.40. She wants to divide this amount
evenly between herself and three of her friends. How
much should each person get?
A. $2.75
B. $3.58
C. $3.85
D. $4.85
Edward had $12.87 He wants to divide this amount
evenly between himself and two of his friends. How
much should each person get?
A. $3.19
B. $3.29
C. $4.19
D. $4.29
Melissa had $16.05 She wants to divide this amount
evenly between herself and two of her friends. How
much should each person get?
A. $3.35
B. $5.35
C. $5.53
D. $6.35
Amy spent $275 for lunch in the first hundred days of
school. Write an equation using powers of 10 to show
how much she spent each day. Solve the equation.
Francis spent $465 for lunch in the first hundred days of
school. Write an equation using powers of 10 to show
how much she spent each day. Solve the equation.
Troy spent $273 for lunch in the first hundred days of
school. Write an equation using powers of 10 to show
how much she spent each day. Solve the equation.
Kevin spent $346 for lunch in the first hundred days of
school. Write an equation using powers of 10 to show
how much she spent each day. Solve the equation.
Given the following problem, which answer shows
correct decimal placement?
3.67 ÷ 0.04 =
A.
B.
C.
D.
917.5
91.75
9.175
0.9175
Given the following problem, which answer shows
correct decimal placement?
3.24 ÷ 0.05 =
A.
B.
C.
D.
64.8
6.48
0.648
0.0648
Given the following problem, which answer shows
correct decimal placement?
17.6 ÷ 0.02 =
A.
B.
C.
D.
0.88
8.8
88
880
Given the following problem, which answer shows
correct decimal placement?
2.534 ÷ 0.7 =
A.
B.
C.
D.
36.2
3.62
0.362
0.0362
The Wright family drove 225.4 miles from their home
to Charleston , SC. They used 9.8 gallons of gas. How
many miles per gallon of gas did they get on the trip?
Show your work.
The Edwards family drove 136.8 miles from their home
to Atlanta, GA. They used 7.6 gallons of gas. How many
miles per gallon of gas did they get on the trip? Show
your work.
The Morris family drove 184.8 miles from their home
to Macon, GA. They used 8.4 gallons of gas. How many
miles per gallon of gas did they get on the trip? Show
your work.
The Farris family drove 278.4 miles from their home to
Macon, GA. They used 8.7 gallons of gas. How many
miles per gallon of gas did they get on the trip? Show
your work.
How many nickels are in $19.00?
A.
B.
C.
D.
3
3.8
38
380
How many nickels are in $13.00?
A.
B.
C.
D.
2600
260
26
0.26
How many nickels are in $15.00?
A.
B.
C.
D.
300
30
3
0.3
How many nickels are in $17.00?
A.
B.
C.
D.
340
34
3.4
0.34
It took Stan 2.4 hours to run 12.72 miles last Saturday
while training for a marathon. What was his average
speed?
A. 5.3
B. 5.73
C. 6.30
D. 6.03
It took Sharon 2.9 hours to run 17.11 miles last
Saturday while training for a marathon. What was her
average speed?
A.
B.
C.
D.
59
5.9
590
0.59
It took Tina 2.5 hours to run 13 miles last Saturday
while training for a marathon. What was her average
speed?
A.
B.
C.
D.
0.52
5.2
52
520
It took Jimmy 3.2 hours to run 14.4 miles last Saturday
while training for a marathon. What was her average
speed?
A.
B.
C.
D.
4
5
4.5
45
Find the product.
85.12 x 104 =
A.. 0.8512
B. 8512
C. 85,120
D. 851,200
Find the product.
4.872 x 103 =
A. 0.04872
B. 0.4872
C. 48.72
D. 4872
Find the product.
64.28 x 104 =
A. 64,280,000
B. 642,800
C. 64,280
D. 6,428
Find the product.
23.54 x 104 =
A. 0.2354
B. 2.354
C. 23,540
D. 235,400
Which number goes in the blank?
45.6 ÷ 100= 45.6
45.6 ÷ 101= 4.56
45.6 ÷ 102= _______
45.6 ÷ 103= 0.0456
A. 45.6
B. 4.56
C. 0.456
D. 0.0456
Which number goes in the blank?
6.54 ÷ 100= 6.54
6.54 ÷ 101= 0.645
6.54 ÷ 102= _______
6.54 ÷ 103= 0.00654
A. 65.4
B. 6.54
C. 0.654
D. 0.0654
Which number goes in the blank?
85.9 ÷ 100= 85.9
85.9 ÷ 101= 8.59
85.9 ÷ 102= _______
85.9 ÷ 103= 0.0859
A.
B.
C.
D.
0.859
8.59
85.9
8590
Andy and his friend went to the movies. They bought 2
tickets for $7.50 each, 2 drinks for $2.75 each, and 3
boxes of candy for $1.49 each. How much did their trip
to the movies cost?
Larry and his friend went to the movies. They bought 2
tickets for $7.25 each, 2 drinks for $2.85 each, and 3
boxes of candy for $1.65 each. How much did their trip
to the movies cost?
Chloe and her friend went to the movies. They bought
2 tickets for $9.25 each, 2 drinks for $2.75 each, and 3
boxes of candy for $1.56 each. How much did their trip
to the movies cost?
Trevor and her friend went to the movies. They bought
2 tickets for $8.50 each, 2 drinks for $2.25 each, and 3
boxes of candy for $1.29 each. How much did their trip
to the movies cost?
Which number goes in the blank?
2 x 100=2
2 x 101=20
2 x 102=200
2 x 103 = _______
A.
B.
C.
D.
2000
200
20
2
Which number goes in the blank?
7 x 100=1
7 x 101=70
7x 102=700
7 x 103 = _______
A.
B.
C.
D.
7
70
700
7000
Which number goes in the blank?
4 x 103= 4000
4 x 102= 400
4 x 101= 40
4 x 100 = _______
A.
B.
C.
D.
4000
400
40
4
Which number goes in the blank?
8 x 103= 8000
8 x 102= 800
8 x 101= 80
8 x 100 = _______
A.
B.
C.
D.
8
80
800
8000
Jessica solved a problem on his test and got 31.5 as the
correct answer. Which problem did he solve?
A. 126 ÷ 0.4 =
B. 1.26 ÷ 4 =
C. 12.6 ÷ 0.4 =
D. 12.6 ÷ 0.04 =
Find the missing factor.
$1.50 x ______ = $12
A.
B.
C.
D.
7
8
9
10
Find the missing factor.
$2.50 x ______ = $15
A.
B.
C.
D.
4
5
6
7
Find the missing factor.
$1.50 x ______ = $18
A.
B.
C.
D.
8
9
11
12
Find the missing factor.
$2.50 x ______ = $25
A.
B.
C.
D.
9
10
11
12
Draw a model that shows 2.4 x 1.2
Draw a model that shows 3.2 x 2.4
Draw a model that shows 1.6 x 3.1
Draw a model that shows 2.2 x 3.2
Jill was given the following problem:
2.8 x 6.5 = 18.2
She is confused with this answer because her friend
told her the total number of decimal places in the
factors should be equal to the number of decimal
places in the product. She sees that the factors have
two decimal places but the product has only one. How
can the answer be true?
Summer was given the following problem:
4.2 x 2.5 = 10.5
She is confused with this answer because her friend
told her the total number of decimal places in the
factors should be equal to the number of decimal
places in the product. She sees that the factors have
two decimal places but the product has only one. How
can the answer be true?
Summer was given the following problem:
5.6 x 3.5 = 19.6
She is confused with this answer because her friend
told her the total number of decimal places in the
factors should be equal to the number of decimal
places in the product. She sees that the factors have
two decimal places but the product has only one. How
can the answer be true?
Summer was given the following problem:
1.4 x 2.5 = 3.5
She is confused with this answer because her friend
told her the total number of decimal places in the
factors should be equal to the number of decimal
places in the product. She sees that the factors have
two decimal places but the product has only one. How
can the answer be true?
A farmer planted 0.4 of his garden with flowers. Of
those flowers, 0.7 were roses. Shade the model to
show what part of his garden were roses.
A gardener planted 0.5 of his garden with corn. Of that
corn, 0.3 was white corn. Shade the model to show
what part of his garden were white corn.
A farmer planted 0.8 of his garden with peppers. Of the
peppers, 0.6 were red peppers. Shade the model to
show what part of his garden were red peppers.
A farmer planted 0.7 of his garden with peas. Of the
peas, 0.3 were black eye peas. Shade the model to
show what part of his garden were black eye peas.