Pixy Stix Segments and the Midpoint Connection
Ruth McClintock
	Several activities for finding the midpoint of a model of a 
	line segment.  
	(86, 1993)    668 - 675

An Abundance of Solutions
Donald Barry
	Solutions to the problem of finding the angle between segments drawn
	from a vertex of a square to the midpoints of the opposite sides.
	(85, 1992)    384 - 387

The Railroad-Track Problem
Maxine Bridger
	How high above the ground is the midpoint of a buckling section
	of track?  
	(85, 1992)    439 - 441

Where is My Reference Angle?
Joanne Staulonis
	A manipulative for demonstrating the concept of a reference angle.
	(85, 1992)    537

Trisecting an Angle - Almost, Part 2
John F. Lamb, Jr.
	Looks at the method of Karajordanoff.
	(84, 1991)  20 - 23

The Artist's View of Points and Lines
Richard S. Millman and Ramona R. Speranza
	Art can be used to present early concepts in geometry.
	(84, 1991)  133 - 138

Angle Hunt
Cheryl Reger
	Sharing Teaching Ideas.  An activity which allows students to
	estimate angle measures and measure angles.
	(83, 1990)  282 - 283

Understanding Angles: Wedges to Degrees
Patricia S. Wilson
	Activities for measuring angles with standard and non-standard
	units of measurement.
	(83, 1990)  294 - 300

"Metes and Bounds" Descriptions: An Application of Geometry and Measurement
Mary Kim Prichard
	Activities for drawing the boundaries of a plot of land using the
	legal description of the property.  
	(83, 1990)  462 - 468

Dropping Perpendiculars the Easy Way
Lindsay Anne Tartre
	An alternative technique for obtaining the perpendicular from a
	point to a line.
	80, (1987)  30 - 31.

A Lab Approach for Teaching Basic Geometry
Joan L. Lennie
	Construction of a device for measuring angles and its use to
	make indirect measurements.
	79, (1986)  523 - 524.

An Improvement of the Congruent Angles Theorem
Shraga Yeshurun
	A theorem relating lengths of segments formed by pairs of
	intersecting lines.
	78, (1985)  53 - 54.

Sighting The Value Of Pi
P. K. Srinivasan
	Using parallel lines to find the value of pi.
	74, (1981)  380 - 384.

Taxi Distance
Stanley A. Smith
	Activities for taxicab geometry.
	70, (1977)  431 - 434.

Taxicab Geometry
Eugene F. Krause
	Geometry on a grid.  Comparison to Euclidean Geometry.
	66, (1973)  695 - 706.

A Metric World
H. W. Stanley
	The consequences of redefining distance.
	66, (1973)  713 - 721.

A Non-Euclidean Distance
Stanley R. Clemens
	A metric on RxR (different from the usual) which yields
	unique parallels.
	64, (1971)  595 - 600.

How Shall We Define Angle?
Harry Sitomer and Howard F. Fehr
	Asks for a reconsideration of the definition.
	60, (1967)  18 - 19.

What Are Perpendicular Lines?
C. R. Wylie, Jr.
	Perpendicularity relations and coordinate systems.
	60, (1967)  24 - 30.

The SMSG Angle Is A Good One
Frank Wright
	Defends the definition.
	60, (1967)  856 - 857.

Angles, Arcs and Archimedes
Carl B. Allendoerfer
	What is an angle?
	58, (1965)  82 - 88.

How Far Is It From Here To There?
Irene Fischer
	Development of systems of measurement.
	58, (1965)  123 - 140.

An Introduction To The Angle Measurement Theorems In Plane Geometry
Harry Schor
	The use of a circular protractor to introduce angle measure in circles.
	56, (1963)  107 - 108.

Square Circles
Francis Scheid
	A metric on lattice points.
	54, (1961)  307 - 312.

What Is A Geometric Tangent?
Richard V. Andree
	A definition and discussion.
	50, (1957)  498 - 501.

On Teaching Angle and Angle Measure
Howard F. Fehr
	Definition and measurement of angles.
	50, (1957)  551 - 556.

The Construction and Measurement Of Angles With A Steel Tape:
Surveyor's Method
Richard W. Shoemaker
	Description and proof that the method works.
	49, (1956) 550.

Angle Comparison Device
Hope H. Chipman
	Construction method.
	48, (1955)  554.

Construct Any Angle With A Steel Tape
Edwin Eagle.
	Method.
	48, (1955)  563 - 564.

An Angle Device
Sister Mary Donald, I.H.M.
	A tool for demonstrating some angle concepts.
	46, (1953)  429 - 430.

H.J.L.
07/15/97
email:  00hjludwig@bsu.edu
home page: http://www.cs.bsu.edu/~hjludwig/