New or Recently Introduced Terms

 Bar graph 

 Category (a group of people or things sharing a common characteristic; e.g., bananas are in the fruit category)

 Data (a set of facts or pieces of information)

 Degree (unit used to measure temperature, e.g., degrees Fahrenheit)

 Foot (ft, a unit of length equal to 12 inches)

 Inch (in, a unit of length)

 Legend (the notation on a graph explaining what symbols represent) 

                                                                                                                                                                                                                                                  Line plot (a graphical representation of data)

 

 Picture graph (a representation of data like a bar graph, using pictures instead of bars)

 Scale (a number line used to indicate the various quantities represented in a bar graph—pictured below to the right)

 Survey (collecting data by asking a question and recording responses)

 Symbol (a picture that represents something else)

 Table (a representation of data using rows and columns) 

     Thermometer (a tool used to measure temperature) 

     Yard (yd, a unit of length equal to 36 inches or 3 feet)