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Grade 3 - Mathematics
7.12 Reading and Writing Graphs

  1. Graphs are methods of data interpretation.
  2. They make data easily understandable.
Example:
By how much is the number of oak trees greater than number of larch trees?

Number of larch trees = 10
Number of maple trees = 100
To find by how much number of oak trees greater than larch trees, we subtract 100 - 10
Answer: 90

Directions: Answer the following questions. Also write at least 5 examples of your own.
Q 1: The graph shows Mrs. B's average price per share of the stock she owned at the end of each week for 5 weeks. From the graph what is the average price for the week of October 16th.

$16.10
$23.02
$26.20

 Q 2: This bar graph shows how many of each kind of tree there are in a garden. Each bar on the graph shows how many trees of a certain kind are. Find how many more oaks than maple trees are?

110 - 50 = 60
100 - 50 =50
70 - 50 = 20

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 Question 4: This question is available to subscribers only!


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