Graphs1 Circle Ppt

Ability to customize a circle graph independently based upon scientific dataAIM: What is a circle graph?

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DEFINITION:a CIRCLE GRAPH is a diagram which represents varying sections of DATA The DATA VALUES are expressed as a percentagediagramed as a circle.

AIM: What is a circle graph?

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AIM: What is a circle graph? Example: Who eats the Pizza at Mr. ZsHow many slice are in a pizza?

850%25%12.5%What Percentage of the total is 4 slices

What percentage of the total is 2 slices

What percentage of the total is 1 slice?

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AIM: What is a circle graph? Example: Who eats the Pizza at Mr. Zs50%25%12.5%Mr Z eats 4 slices. What percentage of the total pie is that?

Mrs. Z eats 2 slices what percentage of the total pies is that?

Alex eats one slice.

12.5%Andie eats one slice.

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Mr. Z 50%Example: Who eats the Pizza at Mr. ZsMrs. Z 25%Alex 12.5%Andie 12.5%

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AIM: What is a circle graph? Example: How much Pizza?Jon has 4 slices, Bill has 3, Sue has 1Person Slice %Jon4= 4/8 Bill3=3/8Sue1=1/8TOTAL850%37.5%12.5%

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Jon 50%Example: How much Pizza?Jon has 4 slices, Bill has 3, Sue has 1Bill 37.5%Sue 12.5%

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Tips for Circle Graphs?Organize your data into a table FIRST!Figure about how many total sections of the pie there must be for your graph

AIM: What is a Circle graph?

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Tips for Circle Graphs?Start at the center of the circle and draw your lines outward to the circumferenceTry to label each piece of the wedge in the wedge first. Draw a line if it does not fitCircle graphs need to have percentages!Dont forget to Title your graph!

AIM: What is a Circle graph?

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CLASS EXAMPLESuppose you watched TV all day.You saw 35 toy commercials, 25 cereal commercials, 25 fast food commercials, and 15 commercials for other productsWhat do you do first? AIM: What is a Circle graph?

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Step One: Put your Data in a Table

Number of CommercialsType of ProductNumber of AddsToys35Breakfast Food25Fast Food25Other products15AIM: What is a circle graph?

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Step Two: Calculate the total number of TV commercials in your study35 + 25 + 25 + 15 = 100 Total Units100 Total Commercials in all categories


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Step Three: Calculate the percentage of each section to the total number of unitsToys 35/100 Breakfast Foods 25/100Fast Foods25/100Other15/100

AIM: What is a circle graph? 35%25%25%15%

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Toys 35%Kinds of Adds on Childrens TV ShowsBreakfast Food 25%Other 15%Fast Food 25%

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Knap-Sack Brand

BrandNumber of BoysNIKE20FUBU40Polo35TARGET15

Knap-Sack Brand

BrandNumber of BoysNIKE20 20/110 * 100=18%FUBU40 40/110 * 100 = 36%Polo35 35/110 * 100 = 32%TARGET15 15/110 * 100 = 14%

Knap-sack brand vs Students

A Team Population

YearNumber200411020031052002852001101

A Team Population

YearNumber2004110 110/401 X 100 = 27.4%2003105 105/401 X 100 = 26.1% 200285 85/401 X 100 = 21.3%2001101 101/401 X 100 = 25.2%

Years vs. Number of Students

Sports Participation by Sex

SportNumber of BoysNumber of GirlsSoccer2520Baseball2030Basketball1515Tennis816

Sports Participation by SexTotal45503024149

SportNumber BoysNumber GirlsSoccer2520Baseball2030Basketball1515Tennis816

Sports Participation by SexTotal45/149 * 100 = 30%50/149 * 100 = 34%30/149 * 100 = 20%24/149 * 100 = 16%149

SportNumber BoysNumber GirlsSoccer2520Baseball2030Basketball1515Tennis816

Total Sports Participation

NMS Fundrasing

ActivityReceiptsExpenseCar wash10060Breakfast15050Bake Sale12525Raffle200100

NMS FundrasingProfit40100100100340


NMS FundrasingProfit40/340 * 100 = 12%100/340 * 100 = 29%100/340 * 100 = 29%100/340 * 100 = 30%340


Profit from Each Event

NMS Absences

Day6th grade7th8thTuesday5106Wednesday7106Thursday666

NMS AbsencesTotal21231862

Day6th7th8thTuesday5106Wednesday7106Thursday666

NMS AbsencesTotal21/62 * 100 = 34%23/62 * 100 = 37%18/62 * 100 = 29%62

Day6th7th8thTuesday5106Wednesday7106Thursday666

Day vs Total Absences

Class ACTIVITY:

Middle School Circle Graph page 70 (next page)AIM: What is a Circle Graph?

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Homework:

INTERNET QUESTIONS


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Graphs1 Circle Ppt