Pictograms (Edexcel GCSE Maths): Flashcards
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13 cards from this deck
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Practise the cards
13 cards from this deck
What is a pictogram?
What is a pictogram?
Chart using pictures/symbols to represent data visually
Why are pictograms useful?
Why are pictograms useful?
Make data engaging and accessible
Essential component every pictogram must have
Essential component every pictogram must have
A key
What does the key in a pictogram tell you?
What does the key in a pictogram tell you?
How many items each symbol represents
What can pictograms use for data that doesn't divide evenly?
What can pictograms use for data that doesn't divide evenly?
Partial symbols (e.g., rac{1}{2}, rac{1}{4}, rac{3}{4})
Value of half a symbol if 1 symbol = key value
Value of half a symbol if 1 symbol = key value
Half the key value
First step when reading a pictogram
First step when reading a pictogram
Check the key
How to find total from all categories in a pictogram
How to find total from all categories in a pictogram
Add up the values from each category
Must include this when creating a pictogram
Must include this when creating a pictogram
A clear key
To find symbols needed: divide data by what?
To find symbols needed: divide data by what?
The key value
How do tally charts relate to pictograms?
How do tally charts relate to pictograms?
Both represent frequency data visually
How are groups of 5 shown in tally charts?
How are groups of 5 shown in tally charts?
Four vertical lines with a diagonal line through them
Common mistake when reading partial symbols
Common mistake when reading partial symbols
Counting partial symbols as whole symbols