6th Grade Math Textbook, Progress

13

Statistics and Graphs I

Make Pictographs

Solve.Use the pictograph above.

1. What does represent? How 2. About how many more CDs are
   many symbols were used for needed so that Jazz and R&B
   R&B? for Jazz? would have the same number?


2. About how many CDs were 4. Which categories had between
   sold in all? How can you use 100 CDs and 200 CDs?
   multiplication to help you answer?


3. Make a pictograph using the same
   data from Al’s Audio Outlet. Change
   the key so that each symbol represents
   10 CDs. How does this change the
   pictograph? What would it look like if
   each represented 100 CDs?

Rock

Classical

Folk

R&B

Jazz

World Music

Key:Each 
50 CDs.

CDs Sold at Al’s Audio Outlet

Rock 391

Classical 151

Folk 77

R&B 247

Jazz 126

World Music 169

Category Number Sold

Yo u can make a pictograph to CDs Sold at Al’s Audio Outlet

display the data in the table.

To make a pictograph:


List each category of music.

Choose a symbol or picture to

use to represent a number of CDs

sold. Examine your data. Select

a convenient value for the symbol.

Let 
50 CDs.

Draw the symbols to represent

the data. Round data to help

you do this. For example:

391 400 247 250

Write a key to show the value

of the symbol used.

Give your graph a title.

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