Tally Charts

Imagine your class has won an ice cream party!

You need to figure out how much ice cream to buy. How many people in your class like chocolate? How many like vanilla?

To figure it out, you can ask your classmates what ice cream they like and count the responses.

π That's called collecting **data.**

** ****Data** is a word for information you collect.

Sometimes we can have a lot of data! It helps to **organize** your data.

A **tally chart **is a way to collect and organize data.

It is faster than drawing pictures. Tally charts are easy to read too!Β

Take a look at this tally chart. π

The lines inside the chart are called **tally marks. **

**Tally marks** tell us "how many."

We write tally marks in **groups of 5 **π.Β Β

Look at the tally chart above. π

π€ Which ice cream flavor is liked by more people?

There are:

- 7 tally marks for vanillaΒ

- 5 tally marks chocolate

The chart tells us that more people like vanilla!

π€ Did you notice how the tally marks are written?

The fifth mark goes across the other four.Β

Let's take a look at tally marks up to 10!

Here's how to count the total tally:

- Just **skip count by 5** for **every group** of 5 tally marks.

- Then just **count by 1** the tally marks that are **not in a group**.

Let's try to count.

How many tally marks are there in all?

Yes, the total is 8 tally marks.

Great job! π

Now you know about tally charts. Start your practice below. π

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