Ordered Pairs

62 min.

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Wonder of the Day #197

How Long Is a Marathon?

Objective

  • Students will calculate distance from one point to another.
  • Students will calculate distance with time to determine destination point arrival.

Big Idea

  • How can a coordinate plane be used to determine ordered pairs?
  • How does mathematics help us in our daily lives?

Warm Up/Anticipatory Students will view the video: Plotting a Point (ordered pair)

https://www.khanacademy.org/video/plot-ordered-pai...

  • Teacher will divide class into four groups.
  • Teacher will give each group a city map.
  • Students will overlay city map on coordinate plane.
  • Groups will label the x-axis, y-axis and point of origin.
  • Groups will calculate the distance from the point of origin/starting point to the planned first water stop.
  • Students will also calculate rate/distance times time ran to determine how long it will it will take to get to the next stopping point.
  • Formative Assessment: Students will write on an index card, step by step directions on how to graph given points on a coordinate plane.
  • Teacher will review cards and based on responses determine who needs additional help.