GeoGebra
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GeoGebra
Measurement Concepts
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
New Resources
Graphical Introduction to Domain and Range
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Goal Free Triangle
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Discover Resources
elementCASbug2
Midpoints of a triangle
Orthocenter, Obtuse
Elective 2019-20 semester 2
US Election Polling
Discover Topics
Vectors 3D (Three-Dimensional)
Multiplication
Pyramid
Trigonometry
Probability
