1. http://studyjams. scholastic

2. A stem and leaf plot is a quick way to organize large amounts of data.
What is a stem-and-leaf plot?
A stem and leaf plot is a quick way to organize 
large amounts of data.

3. Creating a stem-and leaf plot...
Step 1:
The stem will be the digits in the tens place, in this 
case the numbers 6 to 10. Place them in order vertically 
from smallest to largest.
Stem
Leaf

4. Creating a stem-and leaf plot...
Step 2:
Working from left to right in the data set, 
place the "leaves" (the digits in the ones 
place) in the corresponding rows.
Stem
Leaf

5. Creating a stem-and leaf plot...
Step 3:
Next, put the "leaves" in order from smallest to greatest.
Stem
Leaf

6. Creating a stem-and leaf plot...
Step 4:
Finally, create a key or legend and a title.
Stem
Leaf
Test Scores

7. Stem-and-Leaf Plot
Raffle tickets sold per student
Stem
Leaf 4 5 6 7 8
1 5
5 1 = 51
Key
Always include
a key or legend.
The 'leaf' holds the ones digit of the number
The 'stem' holds the digits to the left of the 'leaf', usually the 
tens and hundreds digits.

8. Stem-and-leaf plot
Raffle tickets sold per student
What was the least number of
tickets sold?
Stem
Leaf
1 5 4 5 6 7 8 40
5 1 = 51
Key
What was the greatest number of
tickets sold? 84
In which interval were most tickets
sold?

9. Stem-and-leaf plot
How many students sold
66 tickets?
Stem
Leaf
1 5 4 5 6 7 8
Raffle tickets sold per student
5 1 = 51
Key
Raffle tickets sold per student
3 students
Stem
Leaf
How many students sold over 70 
tickets? 4 5 6 7 8
Key
7 students
5 1 = 51
1 5
Altogether, how many students sold
tickets? 15
How many tickets did they sell?
1,022
( )

10. Make a stem-and-leaf plot12 10 15 21 33 22 34 34 35
Hours spent on homework per week
Stem
Leaf
Stem
Leaf
1 2 1 2 3
__ __ = __
Key 1 1 2 1 5 2 1 2 2 3 3 3 4 3 4 3 5

11. Analyze the stem-and-leaf plot
Hours spent on homework per week
Stem
Leaf
1 2 1 2 3
2 1 = 21
Key
What was the least amount of time spent on homework?
10 hours
How many students spent over 30 hours on homework? 4 35
What was the most time spent on homework?
On average what fraction of the day (24 hours) did 
this student spend doing their homework?
5/24

12. Find the mean, median and mode
Hours spent on homework per week 10 12 15 21 22 33 34 35
216
216 ÷ 9 = 24 +
Mean = 24
Stem
Leaf 1 2 3
2 1 = 21
Key
1 2
Stem
Leaf
1 2 1 2 3
Mode = 34
Mode
Median
Stem
Leaf
1 2 1 2 3
Median = 22
Mean

13. Stem and Leaf
Grade:
«grade»
Subject:
«subject»
Date:
«date»

14. What was the greatest number of points earned?1
What was the greatest 
number of points earned?
Numeric
Points Earned by Volleyball Team

15. What was the least number of points earned?2
What was the least number 
of points earned?
Numeric
Points Earned by Volleyball Team

16. How many teams earned more than 50 points?3
How many teams earned 
more than 50 points?
Numeric
Points Earned by Volleyball Team

17. What was the difference 
between the greatest and least 
number of points earned ?4
Numeric
Points Earned by Volleyball Teams

18. How many volleyball teams played in the tournament ?5
Numeric
Remember, each game has 2 scores!
Points Earned by Volleyball Teams

19. http://studyjams. scholastic

20. Line Plots Definition:
A graph that shows how often something 

occurs by stacking X's above each data 

value on a number line.
Features:
1) Counts how often something occurs.
2) Counts with vertical tallies or X's.
1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5

21. Create your own line plot
Color:
Tally:
Frequency:
Red
Blue
Green
Pink
Yellow
Orange
Purple

22. Money Earned Mowing Lawns

23. 1) TITLE
2) KEY

24. X's need to be the same height/width
Data: 3, 5, 5, 5, 5, 5, 6, 8, 8, 10, 10, 12, 12, 15