Transcript Review - thedepartmentmeeting

NJASK 8
Review
GOOD LUCK!
Find the
Greatest Common Factor
2
2
150v x
Answer: 150v2x
and
4
600v x
Find each of the missing measures if
a = leg, b = leg and c = hypotenuse
of a right triangle
a = 18, c = 27, and b = ?
• Answer: 20.12
Find each of the missing measures if
a = leg, b = leg and c = hypotenuse
of a right triangle
b = 14, c = 21, and a =?
• Answer: 15.65
Express each fraction as a
percent
9
4
• Answer: 225%
Express each decimal as a
percent
0.205
• Answer: 20.5%
Express each decimal as a
percent
1.076
• Answer: 107.6%
Express each fraction as a
percent
5
16
• Answer: 31.25%
Express each fraction as a
percent
7
4
• Answer: 175%
Evaluate Expression if…
p = 1, m = 6, r = 2, y = 3,
and z =5
2
2
pmr
• Answer: 72
Express each percent as a
fraction
65%
• Answer: 13/20
Find the Least Common
Multiple
2
12h
• Answer: 84h2
and 28
Evaluate Expression if…
p = 1, m = 6, r = 2, y = 3,
and z = 5
2
2zy
• Answer: 90
Express each percent as a
fraction
8 1/8%
• Answer: 65/800 = 13/160
Express each percent as a
decimal
14.6%
• Answer: 0.146
Find the total price of each
item
Jacket: $125.00
Tax: 5.5%
• Answer: $131.88
Evaluate Expression if…
p = 1, m = 6, r = 2, y = 3,
and z = 5
2
(ry)p z
Answer: 30
Solve
Find 15% of 400
• Answer: 60
Solve
What number is 50% of 96?
• Answer: 48
Find the Greatest Common
Factor
5
4
2
280a c b
Answer: 40a3b2
and
3
4
320a b
Solve
24 is what percent of 32?
• Answer: 75%
Solve
60 is 75% of what
number?
• Answer: 80
Solve
125% of what number is 15?
• Answer: 12
Find the Square Root
 324
• Answer: -18
Find the Square Root
400
• Answer: 20
Find the best integer estimate
 40
• Answer: -6
Find the best integer estimate
 55
• Answer: -7
Find the best integer estimate
15.01
• Answer: 4
Name the sets of numbers to
which the following belong
6
• Answer: Irrational and Real
State whether the number is
divisible by 2,3,4,5,6, or 10
888
Answer: 2, 3, 4, 6
Evaluate Expression if…
p = 1, m = 6, r = 2, y = 3,
and z = 5
2
2
p (ry)
• Answer: 36
Name the sets of numbers to
which the following belong
 49
• Answer: Integer, Rational, and Real
Name the sets of numbers to
which the following belong
10
3
• Answer: Rational and Real
Factor Completely
3
400xy
Answer: 24 * 52 * xy3
Name the sets of numbers to
which the following belong
2.96
• Answer: Rational and Real
Name the sets of numbers to
which the following belong
15
3
• Answer: Natural, Whole, Integer, Rational, and Real
Express in Scientific Notation
42,500,000
Answer: 4.25 x 107
Name the sets of numbers to
which the following belong
 10.5
• Answer: Rational and Real
Name the sets of numbers to
which the following belong
65.32569...
• Answer: Irrational and Real
Name the sets of numbers to
which the following belong
85
• Answer: Irrational and Real
Find the Least Common
Denominator
3
3
and
3
4x
10 x
• Answer: 20x3
Express in Scientific Notation
0.001768
Answer: 1.768 x 10-3
Name the sets of numbers to
which the following belong
-9
• Answer: Integer, Rational and Real
Solve each equation and round
decimal answers
to the nearest tenth
2
m =
20
• Answer: 4.5 and – 4.5 (must have both)
Express in Scientific Notation
260,700,000
Answer: 2.607 x 108
Solve each equation and round
decimal answers
to the nearest tenth
2
d
= 140
• Answer: 11.8 and -11.8 (must have both)
Solve each equation and round
decimal answers
to the nearest tenth
2
a =
2500
• Answer: 50 and -50 (must have both)
Solve
2 is what percent of 125?
• Answer: 1.6%
Express in Scientific Notation
0.0045 x
• Answer: 4.5 x 103
6
10
Find the total price
of each item
Television: $375.00
Discount: 25%
Tax: 6%
• Answer: $298.13
Find the total price
of each item
DVD Player: $269.00
Discount: 20%
Tax: 7%
• Answer: $230.26
Find the total price
of each item
Luggage: $185.00
Discount: 30%
• Answer: $129.50
Express in Standard Notation
1.68 x
Answer: 1,680,000
6
10
Find the percent of change
Original: 18
New: 10
• Answer: 44% decrease
Find the percent of change
Original: 58.8
New: 65.7
• Answer: 12% increase
Write the fraction as a decimal
10
8
32
• Answer: 8.3125
Write the fraction as a decimal
9
16
• Answer: -0.5625
Write < or > in each blank to
make it a true sentence
6
7
___
7
9
• Answer: >
State whether the number is
divisible by 2,3,4,5,6, or 10
72
Answer: 2, 3, 4, 6
Find the Least Common
Denominator
3
5
and 2
8x
7x
• Answer: 56x2
Write < or > in each blank to
make it a true sentence
4
5
___
5
6
• Answer: <
Express each fraction as a
percent
17
20
• Answer: 85%
Find each of the missing measures if
a = leg, b = leg and c = hypotenuse
of a right triangle
a = 24, b = 45, and c = ?
• Answer: 51
Determine whether the
following side measures form a
right triangle
11,18,21
• Answer: No
State whether the number is
divisible by 2,3,4,5,6, or 10
70
Answer: 2, 5, 10
Determine whether the
following side measures form a
right triangle
7,24,25
• Answer: Yes
Express in Standard Notation
3.547 x
Answer: 0.0003547
-4
10
Determine whether the
following side measures form a
right triangle
18, 30, 24
• Answer: Yes ( make sure you use the highest
number for “c”)
Find the Least Common
Denominator
5
4
and
6
9
• Answer: 18
Determine whether the
following side measures form a
right triangle
39,15,36
• Answer: Yes
Solve the following word
problem
If a television screen
measures 24 inches high
and 18 inches wide,
what size television is
it?
• Answer: 30 inch
Factor Completely
750yz
• Answer: 2 * 3 * 53yz
Write each power as the
product of the same factor
(y +
4
2)
• Answer: (y + 2)(y + 2)(y + 2)(y +2)
Solve the following word
problem
Sally bought a 35 inch TV, the
width is 28 inches. Find the
height of the TV.
• Answer: 21 inches
Solve
A certain number is multiplied by
four and then 12 is added to the
result. The final answer is 36.
Find the number.
• Answer: 6
Find the Least Common
Multiple
15k and
• Answer: 105k2
2
35k
Write as a product using
exponents
a  a  5 5 5 2  2  c  d  d  d  7
• Answer: 22 53 7 a2cd3
Solve
Kelly’s mother sent her on two
errands. She gave her $5.00. She
spent money on renting a movie and
spent half of the change on a gallon
of milk. She returned with 97 cents.
How much did the movie cost to
rent?
• Answer: $3.06
GREAT JOB
Come back again and see how many you
can find the right answers to…