AQA · Mathematics · 8300
GCSE Maths: Graphs: pictograms (interpret)
Statistics · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Graphs: pictograms (interpret) (Corbettmaths Video 162), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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What is a pictogram?
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A chart that uses pictures or symbols to represent data, where each symbol represents a certain quantity according to a key.
In a pictogram, the ? tells you what quantity each symbol represents.
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key
When drawing a pictogram, what should you consider when choosing a suitable key?
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The key value should divide evenly into the data values to avoid needing too many symbols or overly complex fractional representations.
What is the first step when creating a pictogram from raw data?
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Organize the data (often using a tally and frequency table) and choose an appropriate key for the symbols.
When interpreting a pictogram, how do you find the total of all categories?
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Count the symbols for each category (using the key to determine their value), calculate each category's total, then add all categories together.
In a pictogram, if a symbol is only partially shown (e.g., half a symbol), what does this represent?
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A fractional portion of the key value. For example, if the key shows one symbol = 4 units, half a symbol represents 2 units.
What criticism might apply to a pictogram with inconsistent or unclear symbols?
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The symbols should be consistent in size and clearly distinguishable so that fractional amounts and totals can be accurately interpreted.
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