Chapter 12
Draw Venn Diagrams Day
Venn Diagrams
● Allow information to be
organized spatially
● Make classification schemes
easier
Three basic relationship of Venn
Diagrams
Disjoint
Overlapping
Subset
Hamburgers Universe, A Hamburgers with Cheese B Hamburgers, Double
Class - Universe - A Born in
How diagram US,
Two Circles Popular sport to play
Three circles Popular sport to
watch
Two circles Popular TV show
Three circles Popular TV show
Universe Flowers - picks two
subcategories
IN CLASS Junior Prom
There are 120 juniors in the current
class. Of those, 66 are going to the
junior prom. The same number (66) of
juniors are going out to dinner that evening, including 48 of those going to
the prom. How many juniors are neither
going to the prom nor going out to dinner?
IN CLASS Frat Classes
In a fraternity with 30 members, 18
take mathematics, 5 take both mathematics and biology, and 8 take neither
mathematics nor biology. How many take
biology, but not mathematics.
In CLASS - Math Classes
Thirty elementary teachers were
asked which high school courses they appreciated: algebra or geometry. Seventeen appreciated algebra and 15 appreciated geometry; of these. 5
said that they appreciated both. How
many appreciated neither.
In Class - Thirsty?
Lemonmobiles
are available with two possible options:
radio and air conditioning. The
owner of the Lemonmobile Emporium is studying a recent inventory of his lot,
which shows
50 Lemonmobiles on hand in all
25 Lemonmobiles have radios
13 have both options, radios and air
conditioning
15 have neither option
How many of
the Lemonmobiles on hand have air conditioning?
How many of the Lemonmobiles on hand have radios but no air conditioning?
POD - Musicians
In a music
club with 15 members, 7 people played piano, 6 people played guitar, and 4
people didnt play either of these two instruments. How many people played both piano and guitar?
Homework: Chapter 12 Read pages 301-top 312.
Assignment: #1, #2, #3, #4, #5
TVs
At a large TV appliance store you can
purchase a TV in two sizes: Large or
small. Each TV has either a black and
white or a color screen the owner of the store has checked her stock and found
out that she has
23 large TVs
6 small black and white TVs
19 color TVs
21 black and white TVs
How many
large color TVs are there?
How many
small TVs are there?
How many
TVs are there in all?
Clocks
Calvins
Clock Company makes clocks. Each cold
that the company makes is either chiming or nonchiming and either digital or
nondigital. His clocks in stock have the
following information:
14 are chiming
33 are digital
8 are chiming and digital
46 are neither chiming nor digital.
How many
clocks are chiming but not digital?
How many
clocks are nonchiming and also digital?
How many
clocks have at least one of these two features:
chiming and digital?
How many
clocks does Calving have in stock all together?
Book
A PTA sold
books at a fair. Each book sold was
either fiction or nonfiction and was either a hardback or a paperback. Hardback books of fiction bring in the most
money. The committee chair cant
remember exactly how many of these were sold, but he does remember that 30
books were sold in all. 20 hardcover
books were sold. 15 books of fiction
were sold. What is the smallest possible
number of hardback books of fiction sold?
What is the largest possible number of hardback books of fiction sold?