Pictographs Graphs |
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Pictographs

A **pictograph **gets its name from the small
pictures it uses as symbols on the graph. Pictographs generally use a *key* to show the value of the pictures that are used
as symbols.

To read a pictograph, count the number of symbols on a line. Then, multiply the number of symbols by the value of the symbol given in the key. Sometimes, only a part of the symbol is shown. Look at the partial symbol carefully. Most often, a partial symbol will be 1/2 of the whole, or sometimes 1/4 or 3/4. To find a value for a part of a symbol, find that fraction of the whole.

Try answering a few questions about the
graphs below:

**What does this graph represent?
**

**Find the total membership of workers in the following organizations:**

1. United Food and Commercial Workers

2. American Federation of Teachers

3. International Brotherhood of Teamsters

For the first two, it’s simply a matter of counting the number of symbols and
multiplying by 250,000 (since the key tells us that each symbol represents that
many workers)

*1. *
*5 * 250,000 = 1,250,000 workers*

*2. *
*2 * 250,000 = 500,000 workers*

For the third problem, you should have noticed that the last symbol was actually
only 1/2 the symbol, which means you have a total of 7.5 symbols. Now you can
solve the problem just like the first two.

*3. *
*7.5 * 250,000 = 1,875,000 workers *

**Pictograph Exercise**

Use the Pictograph below to answer questions 4 - 7.

**Look at the graph above to interpret the answers:**

4. Which month had the highest amount of flower sales?

5. Which month had the least amount of flowers sold?

6. How many more flowers were sold in May then November?

7. If the profit for each flower is $5, how much
profit did Kim’s Flower Shop make in December?

*answers: 4. February, 5. September,
6. 50, 7. $2,000.00*

**Resources: **

Levine, Gloria. (1992). __GED Program: Science__. Cambridge Adult Education:
Englewood Cliffs, NJ.

Mitchell, Robert; Prickel, Donald. (1991). __Number Power 5:
Graphs, Tables, Schedules, and Maps__. Contemporary Books: Chicago, IL.

Wunderman, Karen. (1998). __GED Program: Social Studies__.
Cambridge Adult Education: Upper Saddle River, NJ.