Prerequisites:

* Collect and record data from a variety of sources (e.g., newspapers, magazines, polls, charts, and surveys)

* Display data in a line graph to show an increase or decrease over time

NYS Content Standards:

*Record data in a frequency table

* Construct Venn diagrams to sort data

* Determine and justify the most appropriate graph to display a given set of data (pictograph, bar graph, line graph, histogram, or circle graph)     

* Display data in a circle graph

* Convert raw data into double bar and double line graphs

* Read and interpret data represented graphically (pictograph, bar graph, histogram, line graph, double line/bar graphs or circle graphs)

Students must KNOW the following definitions:

Students will UNDERSTAND:

* Venn diagrams compare and contrast data
* Why different graphs are used to display different sets of data
* Circle graphs are based on one whole or one hundred percent
* Difference between scale and interval
* Central angles of a circle add up to 360°

Students will be able to DO the following:

* Record data in a frequency table
* Construct Venn diagrams to sort data
* Determine and justify the most appropriate graph to display a given set of data.
* Determine appropriate scale and interval given a set of data
* Construct and measure central angles of a circle

Expected Timeline: *Note: Please know that this could change slightly due to unforeseen issues.

Day 1- Introduction to Graphing
             Definitions (see above) and discussion on appropriateness of graph use  
             based on given data
Day 2- Data collection and frequency tables
Day 3- Determining scale and interval given a set of data
Day 4- Constructing bar graphs and line graphs
Day 5- Constructing double bar and double line graphs
Day 6- Classifying angles and reading angle measurement using a protractor
Day 7- Drawing angles given a measurement
(include beginning to drawing central angles of a circle)
Day 8- Constructing circle graphs using angle measurement
Day 9- Continue
Day 10- Using graphs to solve word problems
Day 11- Using Venn diagrams to solve problems
Day 12- Constructing Venn diagrams to sort data
Day 13- Review
Day 14- Test

NOTE:  Complete Performance Task after this unit.

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