Teacher Guide
This lesson is designed to teach kids to ask a critical thinking question that you can’t just put into a search box to
solve. To do that, we encourage them with smaller questions that search can help them answer. Make sure that
you read the notes for each slide: they not only give you teaching tips but also provide answers and hints so you
can help the kids if they are having trouble.
Remember, you can always send feedback to the Bing in the Classroom team at
[email protected]. You can learn more about the program at bing.com/classroom and follow
the daily lessons on our Partners In Learning site.
Want to extend today’s lesson? Consider using Skype in the Classroom to arrange for your class to chat with
another class in today’s location. And if you are using Windows 8, you can also use the Bing apps to learn more
about this location and topic; the Travel and News apps in particular make great teaching tools.
Alice Keeler is a mother of 5 and a teacher in Fresno, California. She has her B.A in Mathematics, M.S. in Educational
Media Design and Technology and is currently working on a doctorate in Educational Technology with an emphasis in
games and simulations. EdTech speaker, blogger, and presenter. Founder of coffeeEDU, a 1 hour conference event for
educators. New Media Consortium Horizon report advisory panel member. High school math teacher for 14 years. Currently
teaching pre-service teachers curriculum, instruction and technology at California State University Fresno. Teaches online
for Fresno Pacific University in the Masters in Educational Technology. Passionate that kids are not failures, researches
gamification in education to increase student motivation.
This lesson is designed to teach the Common Core State Standard: Mathematics
CCSS.MATH.CONTENT.HSG.MG.A.3 Apply geometric methods to solve design problems.
CCSS.MATH.CONTENT.HSG.MG.A.1 Use geometric shapes, their measures, and their properties to describe objects (e.g., modeling a tree trunk or a human torso as a cylinder).*
CCSS.MATH.CONTENT.HSG.GPE.B.5 Prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems.
CCSS.MATH.PRACTICE.MP1 Make sense of problems and persevere in solving them.
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
© Frans Lanting/Getty Images
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
Scarlet macaws and blue-and-yellow macaws have the “least concern”
conservation status. But they still make great ambassadors for preservation
efforts. Their natural habitat extends through the Amazon basin of South
America, up into Central America, and southern Mexico. Human development
has encroached on these wild locales, and as a result, some populations have
disappeared from regions where they were once plentiful.
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
1
Web Search
Define tangent and normal lines as they pertain to mathematics.
2
Web Search
The mathematical model for the normal line goes through the center of
earth. Why is this a good model to demonstrate gravity?
3
Web Search
What is center of gravity and how do you identify its location?
4
Thinking
How does the birds center of gravity effect how it holds onto the branch?
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
5
Minutes
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
1
Web Search
Define tangent and normal lines as they pertain to mathematics.
2
Web Search
The mathematical model for the normal line goes through the center of
earth. Why is this a good model to demonstrate gravity?
3
Web Search
What is center of gravity and how do you identify its location?
4
Thinking
How does the birds center of gravity effect how it holds onto the branch?
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
1
Web Search
Define tangent and normal lines as they pertain to mathematics.
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
2
Web Search
The mathematical model for the normal line goes through the center of
earth. Why is this a good model to demonstrate gravity?
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
3
Web Search
What is center of gravity and how do you identify its location?
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?
4
Thinking
How does the birds center of gravity effect how it holds onto the branch?
In considering tangent and normal lines, are the birds’ feet
perpendicular to the tangent line and does this help them to
stay firmly on the branch?