Compare Picture Graphs and Bar Graphs

This lesson teaches the similarities and differences between bar and picture graphs by using the same data to create both types. It explains how graphs help organize and compare information, using a second-grade class's eye color data as an example. The lesson covers the construction of bar graphs with axes and scales, and picture graphs with keys and symbols. It concludes with a comparison of the two graph types, highlighting their common features and differences.

What is the primary purpose of using graphs?

• To confuse the reader

• To make data look colorful

• To organize and compare information

• To hide information

In the classroom activity, what method was used to collect data on eye color?

• A survey

• A guessing game

• An experiment

• A poll

What is the vertical line in a bar graph called?

• Bar

• Scale

• Key

• Axis

How many spaces should the scale have in the bar graph for the eye color data?

• 10

• 5

• 7

• 11

What does each symbol represent in a picture graph?

• A group of votes

• A different category

• A different color

• A single vote

Which graph uses a key instead of a scale?

• Bar graph

• Pie chart

• Line graph

• Picture graph

What is a common feature of both bar and picture graphs?

• They both use bars

• They both have a title and labels

• They both use a key

• They both use a scale