Lesson

Do you know how to read information in a table ?

Avril asks her friends what they like to eat when they go out with their family. She puts her results in the following table.

Food | Number of Friends |
---|---|

\text{Hamburger} | 4 |

\text{Taco} | 5 |

\text{Ice\,cream} | 8 |

\text{Kebab} | 3 |

a

How many friends did Avril ask?

Worked Solution

b

Which food do Avril's friends like the least?

A

Kebab

B

Hamburger

C

Taco

Worked Solution

Idea summary

We can organise how many times something occurs in a table and use it to answer questions.

This video uses an example of a picture graph to understand all the important elements of this type of graph including the rows, columns, title and key.

A group of children are going to the mall and are asked, "What is your favourite shop?" This picture graph shows the store they chose.

a

Complete the frequency table below for the number of children.

Store | Frequency |
---|---|

\text{Sweets store} | |

\text{Games store} | |

\text{Toy store} | |

\text{Total} |

Worked Solution

b

How many children prefer the Sweets shop over the Games shop?

Worked Solution

Idea summary

If each picture in a picture graph represents more than 1 item, then we need to multiply the number if pictures by the number of items it represents to find the frequency.

This video shows us how we can use a picture graph to answer questions.

It’s "Back to school" time and a shop recorded the number of pens they sold this week.

a

How many pens were sold on Wednesday?

Worked Solution

b

How many more pens were sold on Saturday than on Wednesday?

Worked Solution

Idea summary

Another name for a picture graph is a pictograph. These graphs use pictures to represent data. One picture can have a value greater than 1, so we need to check the key to make sure we know what it represents.