Bar Graphs and Bar Graphs and PictographsPictographs

Q: What is their Q: What is their purpose? When are purpose? When are

they used?they used?

Q: What is the Q: What is the difference between difference between a bar graph and a a bar graph and a

pictograph?pictograph?

Graphs don’t have Graphs don’t have to be boring to to be boring to

look at…look at…

Some of my favorites Some of my favorites come from the USA come from the USA Today newspaper, Today newspaper, because of their because of their

creativity and the creativity and the information that they information that they

provide the readerprovide the reader

Bar GraphsBar Graphs

Questions to ponder…Questions to ponder…1) What does this graph tell us?1) What does this graph tell us?

Questions to ponder…Questions to ponder…2) 2) ReportReport the population size in the population size in

1987.1987.

Questions to ponder…Questions to ponder…3) 3) AnalyzeAnalyze the graph to determine the graph to determine

how many years it took the how many years it took the population size to double from 4 population size to double from 4 billion people.billion people.

Questions to ponder…Questions to ponder…4) 4) Predict Predict when the population size when the population size

will reach 10 billion people.will reach 10 billion people.

PictographsPictographs

Questions to ponder…Questions to ponder…1) 1) ReportReport how many millions of how many millions of

gallons of orange juice was sold in gallons of orange juice was sold in the U.S.the U.S.

Questions to ponder…Questions to ponder…2) 2) AnalyzeAnalyze the graph to determine an the graph to determine an

estimated amount of how many times estimated amount of how many times more apple juice was sold than juice more apple juice was sold than juice blends.blends.

Questions to ponder…Questions to ponder…3) 3) PredictPredict what would happen to the juice what would happen to the juice

industry if Florida had a cold snap industry if Florida had a cold snap which damaged the orange crops.which damaged the orange crops.