Line Plots

How many pets do you have?

Let's say this is a question that you've been wanting to ask your friends in class. And today, you finally did! π

You got all sorts of answers, but you can't make sense of them.

What can you do?

You can use a **line plot!**

This is a line plot:

A **line plot** is a graph that shows how frequent things are along a **number line!**

A line plot has a line and some Xs above it.

It also has a title and some numbers underneath.

- The **title** tells us what the line plot is all about. It is written at the top.

- The **numbers** tell us what is being measured.

- The **line** is where you write the numbers.

The **X**s are used to mark the answers.

Imagine that these are the answers you got from your friends:

This is just a bunch of numbers, so let's put them together in a line plot.

**First,** we draw a line to show all the answers that were mentioned. We see numbers 1, 2, 3, 4, 5, and 6. We write them on the line.

**Next,** we go through each answer. Then, we write an X above a number every time we see it.Β

The first answer is 1, so we write an X above column 1.

We cross out the first 1 so we know that we're done with it.

**Then,** we continue for all the answers, until we complete our line plot.

The answers you got make more sense now.

Let's see if you can answer questions about the number of pets that your friends have.

How many of your friends have1 pet only?

We count the Xs above column 1.

How many Xs are there?

That's right! There are 5.Β

5 of your friends have 1 pet.Β

How many have3 pets?

We count the Xs in column 3.

That's right! 7 of your friends have 3 pets!

How many havemore than 3 pets?

You have to count the Xs for columns 4, 5, and 6.

We see that there's **1 X** above column 4, **3 Xs** above column 5, and **2 Xs** above column 6.

Let's add them all up.

1 + 3 + 2 = 6

We get 6. That means 6 have more than 3 pets!

Great job! π

Let's try another example.

Pretend that you've asked your friends about their favorite ice cream flavors. Their answers include vanilla, cookies and cream, chocolate, and strawberry.

This is the line plot that shows their answers.

See if you can answer these questions. π

How manylike vanilla?

π That's right! 4 like vanilla.

How manylike cookies and cream?

π You've got it! 6 like cookies and cream.Β

How manylike chocolate and strawberry?

π Good job! 15 students like both chocolate and strawberry.

What flavor is themost favorite?

π It's chocolate! This flavor has the most number of Xs. π

Great! Now you know how to read Line Plots! π

Try some practice questions to make sure you've got it! πͺ

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