Vocabulary
Uses division to compare two quantities
Ratio
An equation that states that two ratios are equal
Proportion
Two figures if they have the same shape but not necessarily the same size
Similar Figures
(330 mi)/(6h)
(55mi)/(1h)
(18 ft)/(1 sec)=(?ft)/(1 min)
1080
10/25=a/5
2
6/2.7=40/z
18
The drama club pays $144.50 to buy 17 movie tickets. What is the cost per ticket?
$8.50 per ticket
Which university did Bill Gates drop out of in the 1970s to start Microsoft?
Harvard
The measure of the likelihood that the event will occur
Probability
Two ratios that have the same value
Equivalent Ratios
The possible results of an experiment
Outcome
(60 min)/(4 games)
(15 min)/(1 game)
($5.60)/(1 lb)=(? dollars)/(1 oz)
0.35
18/24=x/4
3
6/17=3/x
8.5
Lions sleep 5 out of every 6 hours. Write and solve a proportion to find how many hours per day lions sleep.
5/6=s/24; 20 h
What pair of Disney rodents made their debut in the 1943 cartoon "Private Pluto"?
Chip 'n' Dale
An outcome or a collection of outcomes
event
A probability that is based on repeated trials of an experiment
Experimental Probability
A ratio of two quantities measured in different units.
Rate
(5 laps)/(20 min)
(0.25lap)/(1 min)
(15mi)/(1h)=(? ft)/(1 h
79,200
z/6=35/42
5
17/c=34/36
23
Your school is going on a field trip. It takes 2 buses to carry 64 people. Write and solve a proportion to find the number of buses needed to carry 150 people.
2/64=b/150; 5 buses
What fruits are fermented to make Perry?
Pears
A rate that has a denominator of 1 when expressed in fraction form.
Unit Rate
The product of the numerator of one ratio and the denominator of the other ratio
Cross Product
Two figures if they have the same shape and the same size
Congruent
(24 oz)/(4 meals)
(6 oz)/(1 meal)
(1296 cars)/(1 day)=(? cars)/(1 hour)
54
b/54=8/9
48
50/a=25/7
14
The shadow of a goalpost on a football field is 20 feet long. A football player who is 6 feet tall stands next to the goalpost and casts a shadow 32 inches long. How tall is the goalpost?
540 inches or 45 feet
What were the last two letters added to the english alphabet?
J and U
Corresponding Parts
Once you specify an event, the outcomes for that event are called the...
favorable outcomes
Knowing all the equally likely outcomes of an experiment
Theoretical Probability
($195)/(15h)
($13)/(1h)
(8.5 km)/(1 h)=(? m)/(1 h)
8500
b/54=12/18
36
8/w=1.2/3
20
A wildlife preserve identifies each animal in the preserve with a one-digit number and a capital letter. How many animals can the preserve identify? How many animals can the preserve identify using a two-digit number and a capital letter?
260 animals; 2600 animals
Who was president during the majority of the Era of Good Feelings in the United States?
James Monroe