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Measurement Concepts

Author:
Jeff Barrett
This book will be a collection of ideas to explain fundamental ideas about measuring in space.

  • Volume of Prisms by Unit Cubes, predict and check

  • Comparing triangle areas under deformation

  • basis for measurement: correspondence points to #

  • degrees and radians

  • Eratosthenes measure of the circumference of Earth

  • ratio of two segments as a measure for length

  • ratio arc length to circumference

  • sector area measuring

  • trisection of a segment

  • length to nearest unit (cm)

  • equidistance from two points in space, yields a locus

  • length precision to one unit

  • area formula for trapezoid

  • Area of a Circle II

  • watch precision reporting length

  • modeling 4 x 10 with area model and rectangles

  • Working to find fair location among 4 points in a plane

  • Cyclist journey problem, up a hill and down, average speed?

  • clock face minute and hours

  • two point distance, two ways

Next
Volume of Prisms by Unit Cubes, predict and check

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