Learning and Teaching Indirect Proof
Denisse R. Thompson
	Discussion of research and teaching implications.
	(889, 1996)  474 - 482

Geometry and Proof
Michael T. Battista and Douglas H. Clements
	Connecting Research to Teaching.  Discussion of research and instructional 
	possibilities.  Includes comments on computer programs and classroom 
	recommendations.
	(88, 1995)  48 - 54

Conjectures in Geometry and The Geometer's Sketchpad
Claudia Giamati
	Exploration as a foundation on which to base proof.
	(88, 1995)  456 - 458

A Visual Approach to Deductive  Reasoning
Frances Van Dyke
	Activities.  Using Venn diagrams rather than truth tables to examine the validity of 
	arguments.
	(88, 1995)  481 - 486, 492 - 494

Geometry Proof Writing: A Problem-Solving Approach à la Pólya
Jean M. McGivney and Thomas C. DeFranco
	Proof writing is problem solving.
	(88, 1995)  552 - 555

When Is a Quadrilateral a Parallelogram?
Charalampos Toumasis
	Investigations of sets of sufficient conditions.
	(87, 1994)  208 - 211

Helping Students write Paragraph Proofs in Geometry
Joseph L. Brandell
	Utilizing flowcharts.
	(87, 1994)  498 - 502

Communicating Mathematics
Mary M. Hatfield and Gary G. Bitter
	Generating patterns and making conjectures.
	(84, 1991)  615 - 621

The Big Picture
Maurice J. Burke
	Looking at a picture from a large distance, noticing an analogy,
	and drawing an informal conclusion.
	(83, 1990)  258 - 262

Coordinate Geometry: A Powerful Tool for Solving Problems
Stanley F. Tabak
	Contrasting synthetic and analytic proofs for three theorems.
	(83, 1990) 264 - 268

The Geometry Proof Tutor: An "Intelligent" Computer-based Tutor
in the Classroom
Richard Wertheimer
	A description of classroom experiences with the GPTutor.
	(83, 1990)  308 - 317

Inductive and Deductive Reasoning
Phares G. O'Daffer
	Activities to encourage students to use both inductive and
	deductive reasoning to make conjectures about geometric figures.
	(83, 1990)  378 - 384

Indirect Proof: The Tomato Story
Philinda Stern Denson
	Sharing Teaching Ideas.  A story for illustrating indirect proofs.
	(82, 1989)     260

Jigsaw Proofs
Suzanne Goldstein
	Sharing Teaching Ideas.  A proof teaching technique.
	(82, 1989)     186 - 188

Which Method Is Best?
Edward J. Barbeau
	Synthetic, transformational, analytic, vector, and complex number
	proofs that an angle inscribed in a semicircle is a right angle.
	(81, 1988)    87 - 90

The Proof is in the Puzzle
Carl Sparano
	Puzzles for developing proof-making strategies.
	(81, 1988)    456 - 457

The Indirect Method
Joseph V. Roberti
	Examples of indirect proofs and suggested further problems
	for investigation.
	80, (1987)  41 - 43.

Teaching Modeling and Axiomatization with Boolean Algebra
Michael D. DeVilliers
	Proofs of Boolean Algebra statements, analysis of the proofs, and the
	development of a suitable axiomatic basis.
	80, (1987)  528 - 532.

Stuck! Don't Give Up! Subgoal-Generation Strategies in Problem Solving
Robert J. Jensen
	Managing the problem solution process.  Subgoals and strategies.
	80, (1987)  614 - 621, 634.

Turtle Graphics and Mathematical Induction
Frederick S. Klotz
	Revising the FD command in Logo.  Links to inductive proofs.
	80, (1987)  636 - 639, 654.

The Looking-back Step in Problem Solving
Larry Sowder
	Looking-back after the completion of the solution to a problem to search
	for other problems.  The technique is applied to one geometry problem.
	79, (1986)  511 - 513.

Chomp--an Introduction to Definitions, Conjectures, and Theorems
Robert J. Keeley
	A game designed to introduce students to the concepts of conjecture,
	theorem, and proof.
	79, (1986)  516 - 519.

Spadework Prior to Deduction in Geometry
J. Michael Shaughnessy and William F. Burger
	A discussion of van Hiele levels and their applications to methods
	of preparing students for deductive geometry.
	78, (1985)  419 - 428.

Motivating Students To Make Conjectures and Proofs In Secondary
School Geometry
Lynn H. Brown
	Guided discovery with worksheets.
	75, (1982)  447 - 451.

Mysteries Of Proof
George Marino
	Suggested method for introducing proof development.
	75, (1982)  559 - 563.

Help For The Slower Geometry Student
Diane Bohannon
	Analysis of proofs (worksheet).
	73, (1980)  594 - 596.

A Theorem Named Fred
Lloyd A. Jerrold
	Turning an often used procedure into a theorem.
	73, (1980)  596 - 597.

More On Flow Proofs In Geometry
Dale Basinger
	Another format.
	72, (1979)  434 - 436.

To Prove Or Not To Prove - That Is The Question
Thomas E. Inman
	Suggested procedure for teaching the art of geometric proof.
	72, (1979)  668 - 669.

Three Column Proofs
Michael Shields
	Suggestions for proof writing formats.
	71, (1978)  515 - 516.

Flow Proofs In Geometry
Robert McMurray
	Proof writing format.
	71, (1978)  592 - 595.

On The Proof-Making Task
Robert B. Kane
	Teaching students to develop proofs.
	68, (1975)  89 - 94.

Let's Use Trigonometry
John J. Rodgers
	The use of trigonometry in proving some theorems of geometry.
	68, (1975)  157 - 160.

Auxiliary Lines - A Testing Problem
Bruce J. Alpart
	Using helping lines in proofs.
66, (1973)  159 - 160.

A Form Of Proof
Arthur E. Hallerberg
	Flow diagrams, examples provided.
	64, (1971)  203 - 214.

A Geometrical Introduction To Mathematical Induction
Margaret Wiscamb
	Some geometrical problems (lines determined by points, etc.)
	which illustrate inductive techniques.
	63, (1970)  402 - 404.

Strategies Of Proof In Secondary Mathematics
Henry van Engen
	Some geometry involved.
	63, (1970)  637 - 645.

Motivating Induction
Harry Sitomer
	Some geometry involved.
	63, (1970)  661 - 664.

Sight Versus Insight
Harry Sitomer
	The use of figures in geometric proofs.
	60, (1967)  474 - 478.

Structuring A Proof
Donn L. Klinger
	Techniques applied to three geometric theorems.
	57, (1964)  200 - 203.

Another Format For Proofs In High School Geometry
Arthur E. Tenney
	Suggested outline.
	56, (1963)  606 - 607.

Structure Diagrams For Geometry Proofs
Carolyn C. Thorsen
	Flow diagrams.
	56, (1963)  608 - 609.

A Method Of Proof For High School Geometry
Harold M. Ness, Jr.
	Suggested forms for organization.
	55, (1962)  567 - 569.

Geometric Proof In The Eighth Grade
Myron F. Rosskopf
	Possible approaches.
	54, (1961)  402 - 405. 

Symbolized Theorems
Maeriam C. Clough.
	Stating hypotheses and conclusions in symbolic form.
	52, (1959)  107 - 108.

Proofs With A New Format
Emil Berger
	Classify each statement as given, assumption, or deduction.
	52, (1959)  371.

Chains Of Reasoning In Geometry
John D. Wiseman, Jr.
	Chain models of proofs.
	52, (1959)  457 - 458.

Proofs With A New Format
W. W. Sawyer
	Proof organization.
	52, (1959)  480 - 481.

An Aid To Writing Deductive Proofs In Plane Geometry
John F. Schacht
	Suggested format.
	51, (1958)  303 - 305.

Modern Emphases In The Teaching of Geometry
Myron F. Rosskopf
	Strategies of proof and axiomatic structure.
	50, (1957)  272 - 279.

The ABC's Of Geometry
John D. Wiseman, Jr.
	An aspect of proof.
	50, (1957)  327 - 359.

Interpretation Of The Hypotheses In Terms Of The Figure
Helen L. Garstens
	Use of figures in proofs, examples.
	49, (1956)  562 - 564.

What Does "If" Mean
Kenneth O. May
	Discussion of proof methods.
	48, (1955) 10 - 12.

A Note On The Statements Of Theorems and Assumptions
Charles H. Butler
	A discussion of discrepancies between statements and figures.
	48, (1955)  106 - 107.

Helping Students Use Proofs Of Theorems In Geometry
Francis G. Lankford, Jr.
	The use of model proofs.
	48, (1955) 428 - 430.

A Logical Symbolism For Proof in Elementary Geometry
Wallace Manheimer
	Symbols for givens in proofs.
	46, (1953)  246 - 252.

Signed Areas Applied To "Recreations of Geometry"
H.C. Trimble
	Analytic approach to some triangle geometry.  The dangers of
	arguing from a figure.
	40, (1947)  3 - 7.

The Logic Of Indirect Proofs In Geometry
Nathan Lazar
	Analysis, criticism, and recommendations.
	40, (1947)  225 - 240.

Random Notes On Geometry Teaching, Note 4 - Superposition
Harry C. Barber
	Arguments for the use of superposition.
	31, (1938)  31.

The Concept Of Dependence In The teaching Of Plane Geometry
F. L. Wren
	An analysis of the interdependence of elements of a figure in order
	to discover its complete geometric significance.
	31, (1938)  70 - 74.

"If - Then" In Plane Geometry
Harry Sitomer
	Proof methods.  Use of "if - then" form for statements.
	31, (1938)  326 - 329.

A Fallacy In Geometric Reasoning
H. C. Christofferson
	A discussion of circular reasoning in the proof of the isosceles
	triangle theorem.
	23, (1930)  19 - 22.

When Is A Proof Not A Proof
P. Stroup
	Comments on proof in geometry.
	19, (1926)  499 - 505.

Teaching Classes In Plane Geometry To Solve Original Exercises
Fletcher Daniel
	Steps in problem solving.  Comments on classroom use.
	1, (1908 - 1909)  123 - 135.

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