Use the bar gate when tallying

Learning Intentions

To know that a tally chart is a simple way to record information.

To practise drawing simple tally charts.

Introduction

What do you see in this picture?

Use some pencils to make a similar gate. How many pencils are needed?

  
This chart is called a bar gate tally chart, because it is similar to the gate above.
Notice how the vertical lines are used to quickly count the shoe sizes.

How many size 4?
How many size 3?

Look at the frequency table below.

Copy the table using tally marks instead of numbers.

Main learning

We will now conduct our own pizza survey. Using the frequency table below collect the data by surveying the classes.

Look at the Bar gate tally chart below and answer the questions.