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Intro to Data: Line Plots

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Intro to Data: Line Plots

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What you will learn from this videoWhat you will learn

We'll learn how to display data on a line plot.
We will also learn that a line plot is a lot like a number line!
And we'll explore how this knowledge can help us compare the lengths of animals, how many goals we scored in a game, and how many pets we have!

Discussion Questions
- Before Video
  How can you tell which answer was given the most times by looking at a tally sheet? ANSWER
  - It has the most tally marks.
  How are number lines and rulers alike? ANSWER
  - Both have equally-spaced intervals. Both can be used to add, subtract, and show measurements.
  What is data?ANSWER
  - Data is information we collect.
  Can you draw a picture graph and a bar graph for the same data?ANSWER
  - Yes, you can draw both a picture graph and a bar graph from a set of data.
  What is a question that we can ask to collect data about our classmates?ANSWER
  - How many siblings do you have? How many pets do you have? How many sports do you play?
- After Video
  You collected the following data about the number of siblings of your classmates: 0, 1, 2, 1, 2, 4, 5. You want to plot the data on a line plot. What number should your number line begin on?ANSWER
  - The number 0.
  You collected the following data about the number of siblings of your classmates: 0, 1, 2, 1, 2, 4, 5. You want to plot the data on a line plot. Do you need to label the number 3 on your line plot even though no one has 3 siblings?ANSWER
  - Yes. I need to label every whole number between the endpoints. The gaps tell me about the data.
  What is one thing you can tell about data by looking at a line graph?ANSWER
  - Most frequent measure, smallest measure, least number of things, largest measure, or greatest number of things.
  How is a line plot different from a number line? ANSWER
  - A line plot is a number line that has dots or Xs above each number. The number line does not have dots or Xs.
  How can you tell how many total data points are in a data set by looking at a line plot? ANSWER
  - I can count up the Xs or the dots.
Vocabulary
- Number line DEFINE
- Data DEFINE
- Line plot DEFINE
- Tick mark DEFINE
- Compare DEFINE
- Labels DEFINE

Reading Material
Practice Word Problems
Practice Number Problems
Lesson Plan
Teacher Guide
Assessment
Online Quiz Game Quiz PDF Exit Ticket