ratio, probability, proportion, percent jeopardy review
DESCRIPTION
Math review on ratio, proportiom, probability and percentsTRANSCRIPT
Rates
Conversions
Proportions
Similar Figures and
Scale
Probability and Odds
Ratio
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
$100
$200
$300
$400
$500
RatioRates Conversions ProportionsSimilar
Figures and Scale
Probability and Odds
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
538
What is
5.375 and 537.5%?
Convert 1.852 to a fraction and percent
What is
and 185.2%?
1213250
Do the ratios below form proportion? How
can you tell?
8=
212 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=
99 8
What is
h = 10.1?
Find p. Round to the nearest tenth.
16=
p20 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 figures. y
5in90in24in
What is
y = 18.75in?
Find g and h in these similar figures.
3m
gh
10.5m
14m
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 isa. 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 and2
?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