Language
Content
Presentation
Practice
Small Group Activities
ConcepTests
Examples
You like pizza and you like cola. Which of the graphs below
represents your happiness as a function of how many pizzas and
how much cola you have if there is no such thing as too many
pizzas and too much cola?
cola
happiness
cola
happiness
pizza
pizza
A
B
cola
happiness
cola
happiness
pizza
C
pizza
D
Hughes Hallett et al (2005)
Tevian Dray
Teaching Calculus Coherently
Language
Content
Presentation
Practice
Small Group Activities
ConcepTests
Examples
You like pizza and you like cola. Which of the graphs below
represents your happiness as a function of how many pizzas and
how much cola you have if there is such a thing as too many
pizzas or too much cola?
cola
happiness
cola
happiness
pizza
pizza
A
B
cola
happiness
cola
happiness
pizza
C
pizza
D
Hughes Hallett et al (2005)
Tevian Dray
Teaching Calculus Coherently
Language
Content
Presentation
Practice
Small Group Activities
ConcepTests
Examples
You like pizza and you like cola. Which of the graphs below
represents your happiness as a function of how many pizzas and
how much cola you have if there is such a thing as too much cola
but no such thing as too many pizzas?
cola
happiness
cola
happiness
pizza
pizza
A
B
cola
happiness
cola
happiness
pizza
C
pizza
D
Hughes Hallett et al (2005)
Tevian Dray
Teaching Calculus Coherently