Maps and GraphsMaps and Graphs

Items on a Map and GraphsItems on a Map and Graphs

DirectionDirection

Compass Rose:Compass Rose: directional marker directional marker on a map.on a map.

Tells you which way is North, Tells you which way is North, South, East, and West.South, East, and West.

DirectionDirection

Cardinal Directions:Cardinal Directions: North, South, North, South, East, West.East, West.

Going clockwise, just remember Going clockwise, just remember ““NNever ever EEat at SSoggy oggy WWafflesaffles

Intermediate Directions:Intermediate Directions: Northwest, Northeast, Southwest, Northwest, Northeast, Southwest, Southeast.Southeast.

KeyKey

Key (Legend):Key (Legend): explains the explains the symbols used on a map.symbols used on a map.

The key “unlocks” the symbols on The key “unlocks” the symbols on the map.the map.

ScaleScale

Scale:Scale: a certain measure on the a certain measure on the map represents a certain measure map represents a certain measure on the Earth’s surface.on the Earth’s surface.

Quick ReviewQuick Review

What three things must be found What three things must be found on a map?on a map?

Compass RoseCompass Rose Key (Legend)Key (Legend) ScaleScale

Types of GraphsTypes of Graphs

For our purposes, we are only going to For our purposes, we are only going to deal with 5 major types of graphs.deal with 5 major types of graphs.

Bar GraphBar Graph Circle Graph (Pie Chart)Circle Graph (Pie Chart) Line GraphLine Graph PictographsPictographs Population PyramidsPopulation Pyramids

Things We NeedThings We Need

Before we can begin to make a Before we can begin to make a graph, there are certain things we graph, there are certain things we need.need.

First, we need to First, we need to collect our datacollect our data.. Second, all graphs need a Second, all graphs need a titletitle.. Third, we must make sure to Third, we must make sure to labellabel

certain elements for each graph.certain elements for each graph.

Bar GraphBar Graph

For this graph, we will For this graph, we will be dealing with the be dealing with the Lowery Freshman Lowery Freshman Center’s favorite types Center’s favorite types of movies.of movies.

Move TypeMove Type # of # of StudentsStudents

ComedyComedy 632632

ActionAction 379379

DramaDrama 322322

HorrorHorror 291291

ClassicsClassics 125125

Bar GraphBar Graph

0

100

200

300

400

500

600

700

# of Students

Movie Type

Lowery Freshman Center's Movie Favorites

Comedy

Action

Drama

Horror

Classics

Circle GraphCircle Graph

For this graph, we will For this graph, we will examine the land area examine the land area that each continent that each continent has.has.

Land AreaLand Area Percentage Percentage of Landof Land

N. AmericaN. America 16.216.2

S. AmericaS. America 11.811.8

EuropeEurope 77

AsiaAsia 29.529.5

AfricaAfrica 20.220.2

AustraliaAustralia 5.15.1

AntarcticaAntarctica 9.59.5

OtherOther 0.70.7

Circle GraphCircle Graph

Percent of World Land Mass

Other1%

South America

12%

N. America16%

Europe7%

Australia5% Asia

29%

Africa20%

Antarctica10%

Line GraphLine Graph

For our line graph, we will learn to not only graph, but to For our line graph, we will learn to not only graph, but to compare data. We will look at the number of students that compare data. We will look at the number of students that have passed Algebra 1 for different teachers.have passed Algebra 1 for different teachers.

Teacher Teacher Name Name

20032003 20042004 20052005 20062006 20072007

Mr. Mr. DavisDavis

2222 2323 2121 2222 2424

Mrs. Mrs. SmithSmith

1717 1515 1414 1515 1212

Ms. Ms. FlowersFlowers

1919 2222 2121 2424 2020

Line GraphLine Graph

Algebra I Passing Students

0

5

10

15

20

25

30

2003 2004 2005 2006 2007

Year

# o

f S

tud

en

ts

Mr. Davis

Mrs. Smith

Ms. Flowers

PictographPictograph

A pictograph is similar to a bar graph. A pictograph is similar to a bar graph. The difference is that we use a The difference is that we use a symbolsymbol to represent the object being graphed. to represent the object being graphed. Each symbol would stand for a certain Each symbol would stand for a certain number of items being graphed.number of items being graphed.

For example, if we were graphing For example, if we were graphing population, we might use people.population, we might use people.

PictographPictograph

If we were doing movies, we might If we were doing movies, we might use a movie reel.use a movie reel.

If we were doing the number of If we were doing the number of students with computers, we might students with computers, we might use computers.use computers.

Population PyramidPopulation Pyramid

Sometimes we will want to look at Sometimes we will want to look at the population breakdown for a the population breakdown for a region. region.

To do this, we will often use a To do this, we will often use a population pyramidpopulation pyramid..

Population pyramids allow us to see Population pyramids allow us to see gender and age.gender and age.

Class Work-HomeworkClass Work-Homework Using the data provided, create 2 graphs, one for the Using the data provided, create 2 graphs, one for the

Republican and one for the Democrat. You may Republican and one for the Democrat. You may create a bar graph, circle graph or pictograph. Graphs create a bar graph, circle graph or pictograph. Graphs need to be neat and colorful. need to be neat and colorful.

A.A. Use the other set of data to create 2 more graphs. Use the other set of data to create 2 more graphs. Write 10 questions that can be answered using at Write 10 questions that can be answered using at least one of the four graphs.least one of the four graphs.