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Jeff Barrett
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Proposition 5, Euclid's Elements, Book I
Activity
Jeff Barrett
Euclids Book 1 sketches for MAT 131
Book
Jeff Barrett
Measurement Concepts
Book
Jeff Barrett
basis for measurement: correspondence points to #
Activity
Jeff Barrett
Eratosthenes measure of the circumference of Earth
Activity
Jeff Barrett
Cyclist journey problem, up a hill and down, average speed?
Activity
Jeff Barrett
Overview Proposition 5 proof
Activity
Jeff Barrett
Proposition 1, Euclid's Elements, Book 1
Activity
Jeff Barrett
Proposition 3, Euclid's Elements, Book I
Activity
Jeff Barrett
Proposition 2 of Euclid's Elements, Book 1
Activity
Jeff Barrett
constructions in plane geometry
Book
Jeff Barrett
modeling 4 x 10 with area model and rectangles
Activity
Jeff Barrett
chord and diameter
Activity
Jeff Barrett
trisection of a segment
Activity
Jeff Barrett
Proposition Nine
Activity
Jeff Barrett
watch precision reporting length
Activity
Jeff Barrett
unit precision? measure to nearest unit?
Activity
Jeff Barrett
length precision to one unit
Activity
Jeff Barrett
length to nearest unit (cm)
Activity
Jeff Barrett
ratio of two segments as a measure for length
Activity
Jeff Barrett
Proposition Two, Book 1, Elements, of Euclid
Activity
Jeff Barrett
Comparing triangle areas under deformation
Activity
Jeff Barrett
equidistance from two points in space, yields a locus
Activity
Jeff Barrett
Volume of Prisms by Unit Cubes, predict and check
Activity
Jeff Barrett