The document provides data from a classroom vote on preferred class prizes. It includes 4 tables of voting data and discusses making a bar graph to display the results. The tables show increasing ease of readability, with the final table in bar graph format. The summary is: 1) A classroom voted on preferred class prizes and the results were recorded in 4 data tables of increasing simplicity. 2) The final table displays the results as a bar graph for easiest interpretation. 3) Creating an easy-to-read bar graph from the data involves making the visual focus the data values and ensuring the graph structure clearly shows differences in the values.

1. WKCE Prep
November - December 2011

2. Objectives:
Content:
I will discover that data tables and graphs can
look different, even if they say the same thing
Language:
I will use the words “data” and “bar graph”
correctly to describe changes in mathematics
& make their own graph.

3. Mr. Schauwitzer & Mr. Charles’ Class Votes for
Reaching our Goal: Great Transitions
“What do we deserve for receiving all the Xs for
the great transitions? LET’S VOTE!”
“To celebrate, do you prefer to play games?
Would you like something from the prize box?
Or would you...?”
“Each vote counts!” (see data tables that follow)

4. What “Class Prize” our class
NUMBER OF VOTES
prefers:
(3X for 1st, 2X for 2nd,
& 1X for 3rd vote)
Lunch w
Teacher
Free Time Movie Day Prize
Box/Homewor
k
Games/DS/PS Pizza/PJ Party Extra Snack
P
Extra
Recess/Teach
er recess/in
Computer
Time
15 minute
dance time
Pass/stickers gym?
1 x x x x x x x x x x
2 x x x x x x x x x
3 x x x x x x x x x
4 x x x x x x x x x
5 x x x x x x x x
6 x x x x x
7 x x x
EAD! x x
8 x x
TO R
x x x
HA RD
9 x x x x x
10 x x x x
11 x x x x
12 x x x x
13 x x x x
14 x
According to the *data table, what was the class **preference?
x x
15 x x
16
Is this information too hard to ***interpret?x x
17 x x
18 x x
data table 1 of 4
19 x

5. Same “data” - is it easier to use?
NUMBER OF VOTES Games/DS/PS Extra Lunch w Prize Computer Pizza/PJ Party Extra Snack Free Time Movie Day 15 minute
(3X for 1st, 2X for 2nd, P Recess/Teach Teacher Box/Homewor Time dance time
& 1X for 3rd vote) er recess/in k
gym? Pass/stickers
1 x x x x x x x x x x
2 x x x x x x x x x
3 x x x x x x x x x
4 x x x x x x x x x
5 x x x x x x x x
6 x x x x x
7 x x x x x
8 x x x x x
9 x x x x x
10 x x x x
11 x x x x
12 x x x x
13 x x x x
14 x x x
15 x x
16 x x
17 x Why might this data table be easier to use?
x
data table 2 of 4
18 x x

6. Same “data” - is it even easier to use!
NUMBER OF VOTES Games/DS/PS
(3X for 1st, 2X for 2nd, P
Extra
Recess/Teach
Lunch w
Teacher
Prize
Box/Homewor
Computer
Time
Pizza/PJ Party Extra Snack Free Time Movie Day 15 minute
dance time
& 1X for 3rd vote) er recess/in k
gym? Pass/stickers
36
35 x
34 x
33 x
32 x
31 x
30 x
29 x
28 x
27 x
26 x
25 x
24 x
23 x
22 x
21 x
20 x x
19 x x
data table 3 of 4 18 xWhy might this data table be even easier to use?
x
17 x x

7. Same “data” - even more easy to use!
NUMBER OF VOTES Games/DS/
(3X for 1st, 2X for 2nd,
Extra Lunch w Prize Computer Pizza/PJ Extra Snack Free Time Movie Day 15 minute
PSP Recess/Tea Teacher Box/Home Time Party dance time
& 1X for 3rd vote)
cher work
recess/in Pass/sticke
gym? rs
36 36
35 x
34 x
33 x
32 x
31 x
30 x
29 x
28 x
27 x
26 x
25 x
24 x
23 x
22 x
21 x 21
20 x x
Why might this data table be even more easy to use?
19 x x
data table 4 of 4 18 x x

8. Same “data” - in a “bar graph”
NUMBER OF VOTES Games/DS/ Extra Lunch w Prize Computer Pizza/PJ Extra Snack Free Time Movie Day 15 minute
(3X for 1st, 2X for 2nd, PSP Recess/Tea Teacher Box/Home Time Party dance time
& 1X for 3rd vote)
cher work
recess/in Pass/sticke
gym? rs
36 36
x
34 x
x
32 x
x
30 x
x
28 x
x
26 x
x
24 x
x
22 x
x 21
20 x x
x x
18 x x
x x
16 x x
x x 15
14 x x x 14
x x x x
12 x
x This data is now in a easy-to-read bar graph.
x
x
x
x
x
x

9. “Class Prize” Preferences:
Games/DS/ Extra Lunch w Prize Computer Pizza/PJ Extra Free Time Movie Day 15 minute
PSP Recess/Te Teacher Box/Home Time Party Snack dance time
acher work
recess/in Pass/stick
gym? ers
b ar
36
at the
ook ph:
34
L
32
gra e class
at i s th
.) Wh ce?
30
a ren
refe ich
28
p
b.) Wh d?
ces tie
26
ef eren
pr
24
22
20

10. Use the data to make a Bar Graph
Number of Monday Tuesday Wednesday Thursday
Students who
played tag
1 x x x x
2 x x x x
3 x x x x
4 x x x x
5 x x x
6 x x x
7 x x x
8 x
9 x
10 x

11. Use the data to make a Bar Graph
Number of Monday Tuesday Wednesday Thursday
Students Questions to ask:
who
played
What’s the data
tag:
1 x x x x mean?
2 x x x x
3 x x x x Is the data going
4 x x x x down or up?
5 x x x
6 x x x Is it easy to read?
7 x x x
8 x What will my
9 x
10 x
graph look like?

12. Use the data to make a Bar Graph
Steps to make a
Number of Monday Tuesday Wednesday Thursday easy-to-read
Students
who graph:
played
tag: 1.) Have data go
10 x
9 x up, not down
8 x
7 x x x 2.) Make your
6 x x x
eyes focus on the
5 x x x
4 x x x x data
3 x x x x
2 x x x x 3.) Set up your
1 x x x x
0
bars to easily see
them

13. Use the data to make a Bar Graph
An easy-to-read
Number of Students who played tag:
10 x graph:
9 x
8 x 1.) Is it easy to
7 x
6 x read?
5 x
4 x Do your eyes
3 x
2 x
focus on the
1 x data?
0 Monday Tuesday Wednesday Thursday
3.) Do the
a.) Which days had the same number of “taggers”? graph’s bars let
b.) How many more students played tag on Thursday than Monday? you use the data?
c.) Why is there no data for Friday?

14. Your turn!
Use data to make a Bar Graph
to make a Bar Graph Fruit
Students’ favorite Chips Pretzels Cookies
snacks
1 x x x x
2 x x x
3 x x
4 x x
5
Questions to ask:
What’s the data mean?
Is the data going down or up?
Is it easy to read?
What will my graph look like?