Relating Graphs to Events

1
Relating Graphs to Events
What are we learning today?
Interpreting and sketching graphs from
stories. Classifying data as discrete or
continuous.
Why .
To solve problems relating to travel and
transportation
2
Continuous or Discrete Data
Continuous
Discrete
Height of a plant over 5 day period
Class attendance for 5 days
Number of Students
Height
1 2 3 4 5
Days
1 2 3 4 5
Days
In your own word write a definition for
continuous data and discrete data.
3
Continuous
Discrete
Height of a plant over 5 day period
Class attendance for 5 days
Number of Students
Height
1 2 3 4 5
Days
1 2 3 4 5
Days
Continuous Data- usually involves a measurement,
such as temperature, length, or weight.
Discrete Data- involves a count, such as a number
of people or objects.
4
Baby Puppy Problem
This graph shows the weight of the baby and the
weight of a puppy for their first two years.
Which curve represents the puppys weight?
Baby
Weight
Puppy
Age
5
Transportation
A commute to a friends house from home combines
walking with taking the bus.
6
Walk to friends house
Bus ride
DISTANCE from the start (miles)
Waiting for the bus
Walk to the bus stop
7
Try to sketch the graph of a bike ride that
travels over a hill.
5 4 3 2 1 0
Flat surface
downhill
Distance from start (miles)
uphill
Flat surface
0 2 4 6 8 10 12
14 16 18 20 22 24 Time
(minutes)
8
More practice? Try this at home.
http//www.mste.uiuc.edu/users/Murphy/MovingMan/Mo
vingMan.html