Tally Charts & Bar Graphs

Front

What is a tally chart?

Back

A tally chart is a way to record and count data using marks (tallies) to show how many times something occurs.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights to show the quantity of each category.

Front

How do you read a tally mark?

Back

Each group of five tally marks is represented by four vertical lines and one diagonal line crossing them.

Front

What does it mean if a bar is taller in a bar graph?

Back

A taller bar means that more items or people belong to that category compared to shorter bars.

Front

How can you find the difference between two categories in a tally chart?

Back

You subtract the smaller count from the larger count to find out how many more or fewer there are.

Front

What is the purpose of using tally marks?

Back

Tally marks help to keep track of counts in a quick and organized way.

Front

How do you convert tally marks to numbers?

Back

Count the groups of five and add any remaining tally marks to get the total number.

Front

What type of data can be represented in a bar graph?

Back

Bar graphs can represent categorical data, such as favorite sports or types of pets.

Front

What is the first step in creating a bar graph?

Back

The first step is to collect and organize the data you want to represent.

Front

How do you label the axes on a bar graph?

Back

The vertical axis (y-axis) shows the quantity, and the horizontal axis (x-axis) shows the categories.