KEY

Related Words

Definition of key

A key is used to identify the number of categories present in a graph. It is also called a legend

A key on a pictograph tells us how many each picture stands for. Look at the following pictograph

    Definition of key

Video Examples: Key Stage 1 Maths: Addition


Example of Key

    In the graph shown, the key is given to the right of the graph to notify us which line graph corresponds to which hitter.
    The key here is important, because otherwise we wouldn't be able to answer any question comparing the two hitter's performance.
      Example of Key

Solved Example on Key

Ques: Find the number of keys in the graph.

    Solved Example on Key
    Choices:
    A. 1
    B. 2
    C. 3
    D. 4
    Correct Answer: B

Solution:

    Step 1: From the graph, it is clear that there are two categories boys and girls
    Step 2: So, the number of keys = 2

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