Understanding Line Plots

What is a line plot used for?

• To show data in a graph

• To show how data changes over time

• To compare categories

• To show how often something happens

Tags

CCSS.2.MD.D.9

Which symbol is commonly used on a line plot to represent data points?

• X

• O

• *

• #

Tags

CCSS.3.MD.B.4

Maria measured the lengths of different pencils in centimeters and created a line plot. What does each 'X' represent on her line plot?

• One pencil's length

• The total number of pencils

• The average length of the pencils

• The longest pencil measured

Tags

CCSS.2.MD.A.3

If a line plot shows the number of books students read, and there are three 'X's above the number 4, what does that indicate?

• Three students read a total of four books

• Three students each read four books

• Four students read three books each

• Four students read a total of three books

Tags

CCSS.2.MD.D.9

Sulayman measured the hand spans of his classmates in inches and recorded the data on a line plot. If the number 5 has the most 'X's above it, what does that mean?

• Most students have a hand span of 5 inches

• Five students were measured

• The largest hand span is 5 inches

• There are five data points in total

Tags

CCSS.3.MD.B.4

Maimuna is creating a line plot of her friends' shoe sizes. What should she do first?

• Draw a number line and label it with the possible shoe sizes

• Collect and record the shoe sizes of her friends

• Place an 'X' above each shoe size on the number line

• Write a title for the line plot

Tags

CCSS.3.MD.B.4

Lina's line plot shows the lengths of ribbons in inches. If the number 7 has no 'X's above it, what does that indicate?

• No ribbons measured 7 inches in length

• Seven ribbons were measured

• The shortest ribbon is 7 inches

• All ribbons are longer than 7 inches

Tags

CCSS.2.MD.D.9

CCSS.3.MD.B.4

Why is it important to label the units of measurement on a line plot?

• To make the line plot look neat

• To help others understand what the numbers represent

• To ensure there are enough 'X's

• To show the total number of measurements

Tags

CCSS.3.MD.B.4

What does the title of a line plot tell you?

• The total number of data points

• The type of data being represented

• The unit of measurement used

• The most common data point

If a line plot has 'X's above the numbers 3, 4, 5, and 6, but no 'X's above 7, what can you infer?

• Some data points are missing

• No measurements were 7 units long

• The measurements are incorrect

• All measurements were above 7 units

Tags

CCSS.3.MD.B.4