Lesson

Do you know how to count a tally ? Tally marks are in groups of 5. Once there are 4 vertical ones written, the fifth one is drawn horizontally through them.

Five students tallied cats that they saw on the way home from school one day.

How many cats did they see all together?

Worked Solution

Idea summary

In a tally a vertical line represents 1 count while a group of tally marks with a horizontal (or diagonal) line through 4 vertical lines represents a total of 5 counts.

This video shows how to create a frequency table to display data.

Ms Williams has the following fruit stickers in her drawer:

a

Count the number of each type of sticker and fill in the table.

Fruit | Number of Stickers |
---|---|

\text{Lemon} | 4 |

\text{Apple} | |

\text{Grapes} | |

\text{Orange} |

Worked Solution

b

Which sticker was most common?

A

B

Worked Solution

Idea summary

**Frequency** means how often something occurs, or how many times it is counted.

selects appropriate methods to collect data, and constructs, compares, interprets and evaluates data displays, including tables, picture graphs and column graphs M