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Reading bar charts LO: to solve a problem by organising and interpreting data in bar charts with intervals in ones and PowerPoint Presentation
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Reading bar charts LO: to solve a problem by organising and interpreting data in bar charts with intervals in ones and twos. . Look at the way a bar chart is constructed. Can you name its different parts?. What goes here?. What is this called?. What is this?. What do we call this?.

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Presentation Transcript
slide1

Reading bar charts

LO: to solve a problem by organising and interpreting data in bar charts with intervals in ones and twos.

slide2

Look at the way a bar chart is constructed. Can you name its different parts?

What goes here?

What is this called?

What is this?

What do we call this?

slide3

A bar chart always has a title.

Vertical axis (y). Always labelled and numbered.

The height of the bars show how many of something was scored/recorded.

Horizontal axis (x). Always labelled.

slide4

8

7

6

5

4

3

2

1

What does this bar chart show?

How many children were surveyed?

Which is the favourite flavour?

Which is the least liked?

What intervals are used on the y axis?

What intervals could you use if twice as many children were surveyed?

Can you read the answers?

Favourite Crisps

Number of children

0

Salt and vinegar

Cheese and onion

Prawn cocktail

Ready salted

Bacon

Worcester sauce

Barbeque

Flavours

slide5

How can you collect the information needed to construct a bar chart?

By making a tally chart first!

slide6

Flavour Tally

Insert any other flavours here

slide7

Tables 1 and 2:

  • Working in table groups, survey all the children on your tables using the tally chart template. Find out THEIR favourite crisps.
  • Then working in pairs, construct a bar chart showing the favourite crisps in our class.

With support

slide8

Tables 3 and 4:

  • Working in threes, shuffle and then deal 30 Pokémon cards. Sort into card types.
  • Fill in the tally chart and draw a bar chart showing card types in a typical deal.
slide10

Table 5:

  • Working in pairs, deal out 25 Jackie Chan cards and sort them into different types.
  • Fill in the tally chart and create a bar chart to show card types in a typical deal.