Transcript Document

Rates
Conversions
Proportions
Similar
Figures and
Scale
Probability
and Odds
Ratio
Rates
Conversions
Proportions
Similar
Figures and
Scale
$100 $100 $100 $100
$200
$200 $200 $200
$300 $300 $300
Probability
and Odds
Ratio
$100 $100
$200
$200
$300
$300 $300
$400 $400 $400 $400
$400 $400
$500 $500 $500 $500
$500 $500
How do you
change a rate
into a unit rate?
What is you make the
denominator equal 1 by
dividing the numerator
and denominator by the
denominator?
I traveled 291 miles with
6 gallons of gas (in my
Prius). Change that to a
unit rate (round to the
nearest tenth if
necessary).
What is
48.5miles/gallon?
I paid $5.99 for 64oz
of ice-cream. Find
the cost (to the
nearest penny) per
ounce.
What is
$0.09/oz?
Change each to a unit
rate to determine
which is the better
deal:
A: $2.05 for 16lb
B $3.92 for 28lb
What is choice
A ($0.13/lb)?
Jerry threw 84 strikeouts
in 10 games. Tom had
60 in 8 games. Who has
the better strikeouts per
game average and by
how much?
Who is Jerry by
0.9 strikeouts
per game?
Change 0.254 to a
percent.
What is
25.4%?
Convert 5/25 to a
decimal and
percent
What is 0.2
and 20%?
Convert 0.6% to a
decimal and
fraction (in lowest
terms)
What is
0.006 and
3/500?
Convert to a
decimal and
percent
3
5
8
What is
5.375 and
537.5%?
Convert 1.852 to a
fraction and percent
What is
213
1
250
and 185.2%?
Do the ratios below
form proportion? How
can you tell?
8
=
12
2
4
What is no, because
8x4 does not equal
12x2?
Do the ratios below
form proportion?
Prove it.
3.8
15.2
=
3.1
12.4
What is yes
3.8x12.4 =
3.1x15.2 (47.12)?
Find n. Round to
the nearest tenth.
n
9
=
9
8
What is
h = 10.1?
Find p. Round to
the nearest tenth.
16
=
20
p
9
What is
p = 7.2?
12 bags of potatoes
cost $30. How many
bags can you buy for
$510?
What is
204 bags?
What are the
characteristics of
similar figures and
what does the sign for
similar figures look
like?
Similar figures (1) have the
same shape (equal angles)
and (2) their sides are in
proportion. The sign
indicating similarity looks
like ~.
Two cities are 350
miles apart. A map
uses a scale of
2.5cm:20miles. How
far apart are the cities
on the map?
What is
43.75cm?
A model of a T-Rex uses a
scale of 4.5in:7ft. The arms
of the model are 1.9in long.
How long were the T-Rex’s
arms in real life (round to
the nearest foot)?
What is
3ft?
Find y in these similar
y
figures.
24in
5in
90in
What is
y = 18.75in?
Find g and h in these
similar figures.
10.5m
3m
h
14m
g
7m
What is
h = 4m and g = 2m?
Explain the difference
between probability and
odds.
Probability is the amount of
successful outcomes over
total possible outcomes.
Odds are the amount of
successful outcomes over
unsuccessful outcomes.
Find the probability of
rolling a number less
than 3 on an eight sided
die numbered 1-8.
What is 1/4?
Find the odds in favor
of choosing a green
M&M out of a bag
containing 6 orange, 3
yellow, 5 green and 2
blue M&Ms.
What is 5:11?
Use all 26 letters of the alphabet
to answer the following:
a.P(a vowel or a consonant)
b. P(П)
c. P(a letter in the word ‘street’)
What is
a. P(a vowel or a consonant) =
certain, 1
b. P(П) = impossible, 0
c. P(a letter in the word ‘street’) =
2/13
You create a game where two
players roll a number cube.
Player A gets 2 points if it lands
on 1 or 2. Player B gets 2 points
if it lands on 3 or 4 and both
players get 0 points if it lands on
5 or 6. Is this a fair game?
What is yes because
both players have the
same probability of
scoring 2 points 1/3
and scoring no points
1/3?
What is the
difference
between a ratio
and a rate?
A ratio compares
two numbers and a
rate is a type of ratio
that compares two
quantities using
different units.
Describe the ratios formed
by the figure below in 4
different ways?
What is
3 shaded : 8 total
8 total : 3 shaded
5 unshaded : 8 total
8 total : 5 unshaded
5 unshaded : 3 shaded
3shaded : 5 unshaded
What are three ways
of writing a ratio?
(You can use any
numbers to make
your ratios)
What is
2:5
2 to 5 and
2
?
5
Write as a ratio in
simplest form:
70 homes out of 125
have a computer with
internet access.
What is
14 to 25?
A recent poll PA residents found
the following results:
Candidate
# in favor
Clinton
104
Obama
72
Undecided
24
Write the following ratios in simplest form:
a. number in favor of Clinton to Obama
b. number of undecided to total
What is
a. 13 to 9
b. 3 to 25