1 videodisc (approximately 13 min.) : sound, color ; 4 3/4 in.
digital optical rda
video file DVD video rda
Educational films. lcgft
System Details
DVD.
Note
Title from container.
Audience
Ages 7-9.
Note
Ages 7-9.
Summary
What are bar graphs used for? How do you plot and interpret data on bar graphs? The answers to these questions are covered with detailed graphics, diagrams, and exciting video, as well as on-screen, multiple-choice reviews at the end of each segment to reinforce important concepts and make learning fun.