Elementary Test Prep Math 4 (Grade 3) collecting data

Collecting Data
Lesson
Topic Index | Grade 3 Math | Elementary Test Prep | StudyZone

Graphs display data so that it can be easily understood. You can use graphs to compare sets of data.

The following data is displayed in a table, and then in different types of graphs.

The students in Mrs. Carroll's class surveyed the school parking lot and made a graph to compare the data.

Cars in the School Parking Lot
Color	Number
Silver	12
Blue	8
White	5
Black	10
Red	7
Other	15

The data was organized in a table making it easier to read and interpret. The data from the table can be used to create the following bar graph and pictograph.

A bar graph is a graph that uses bars to show data.

A pictograph uses pictures or symbols to represent different numbers of the same item. The key tells how many each symbol stands for.

Cars In The School Parking Lot
Cars		Number
silver		12
blue		8
white		5
black		10
red		7
other		15
Key: Each = 2 cars Each = 1 car

Students read a magazine poll on favorite sports for boys. The article surveyed fifty 6th graders and asked them what was their favorite sport. The data was organized in the table below.

Favorite Sport
Football	12
Baseball	6
Hockey	15
Soccer	8
Basketball	9

The data from the table was used to create a bar graph. A bar graph uses bars to show data.

Click on the car for practice.

Remember:

Bar graphs are useful in making comparisons. The
greatest and least quantities are represented
by the longest and shortest bars.

Topic Index | Grade 3 Math | Elementary Test Prep | StudyZone