Bar Graphs Lesson

1. Bar Graphs
By: Katrina Hoggatt

2. What is a bar graph?
• Way to organize data
• Visual representation
– Easy to glance at
– Relative size
• Largest vs Smallest

5. How do we make a bar graph from
this?
Color Number of Skittles

6. Color Number of Skittles
Red
Yellow
Orange
Green
Purple
Total:

8. Color Number of Skittles
Red 24
Yellow
Orange
Green
Purple
Total:

10. Color Number of Skittles
Red 24
Yellow 18
Orange
Green
Purple
Total:

12. Color Number of Skittles
Red 24
Yellow 18
Orange 27
Green
Purple
Total:

14. Color Number of Skittles
Red 24
Yellow 18
Orange 27
Green 14
Purple
Total:

16. Color Number of Skittles
Red 24
Yellow 18
Orange 27
Green 14
Purple 19
Total:

17. Color Number of Skittles
Red 24
Yellow 18
Orange 27
Green 14
Purple 19
Total: 102

18. What next?!
Graph!

19. How do you graph?
• Determine x-axis and y-axis
Y-axis
X-axis

20. How do you graph?
• Determine x-axis and y-axis ✔
• Label
– X-axis: Color of Skittles
– Y-axis: Number of Skittles

21. NumberofSkittles
Color Of Skittle

22. How do you graph?
• Determine x-axis and y-axis ✔
• Label ✔
– X-axis: Color of Skittles
– Y-axis: Number of Skittles
• Graph Data

23. Color Number of Skittles
Red 24
Yellow 18
Orange 27
Green 14
Purple 19
Total: 102

24. Number of Skittles
0
5
10
15
20
25
30
Red Yellow Orange Green Purple
NumberofSkittles
Color Of Skittle

25. What can we
see?
0
5
10
15
20
25
30
• What color has
the most?

26. What can we
see?
0
5
10
15
20
25
30
• What color has
the least?

27. What can we
see?
0
5
10
15
20
25
30
• Can we add the
total number of
skittles?

28. What can we
see?
0
5
10
15
20
25
30
• Can we estimate
a total?

29. WRAP UP!

30. Picture Citation
Amos, E. (2012, April 5). Retrieved November 10,
2015, from https://commons.wikimedia.org/wiki/
File:Skittles-Candies-Pile.jpg