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10.04 Other graphs

Lesson

Are you ready?

Can you read information from a column graph or picture graph? Look for keys or scales on a graph to help you understand what information is being presented.

The column graph shows the number of each type of car fixed by the local mechanic.

Car BrandFrequency10203040MercedesBMWMitsubishiHoldenToyota

  1. Which car brand does the mechanic fix most often?

    BMW

    A

    Mitsubishi

    B

    BMW

    A

    Mitsubishi

    B
  2. How many Holden or Toyota cars did the mechanic fix in total?

 

Learn

This video looks at how we can display the same data different ways using different graphs. 

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Question 1

A group of children are going shopping and are deciding which shop to visit first. This table shows the shops the children like best.

Shop Number of Children
Toy shop
Sweet shop
Computer game shop

Whererepresents $1$1 child

  1. How many children like the toy shop best?

  2. Complete the column graph to show the same data as the table.

    ShopNumber of Children510Toy shopSweet shopGame shop

 

Learn

This video shows us how to answer questions from graphs.

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Question 2

The pie graph below shows the results of a class survey where students were asked to nominate their favourite food:

  1. Which was the most popular food?

    Noodles

    A

    Pizza

    B

    Burgers

    C

    Noodles

    A

    Pizza

    B

    Burgers

    C
  2. Which food was as popular as noodles?

    Pizza

    A

    Burgers

    B

    Nuggets

    C

    Pizza

    A

    Burgers

    B

    Nuggets

    C

 

Remember!

When we use graphs, we need to figure out what it is telling us. We can use colours or pictures, or the size of a piece of the pie graph. We may also have labels on the graphs, so we need to check each graph to see what information we can use.

 

Outcomes

MA2-18SP

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

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