La Barbera, Raymond, E. Z. Math, May 1992, 392
Laing, David R. & Arthur T. White, Exhibiting Connections between Algebra and Geometry, Dec 1991, 703-705
Laing, Robert A., Activities: Preparing for Pythagoras, Apr, 1989, 271-275
Lajoie, Susanne P., and Nancy C. Lavigne, Communicating Performance Criteria to Students through Technology, Jan 1996, 66–69
Lamb, John F., Jr., A Chinese Zodiac Mathematical Structure. Feb. 2000, 86–91
______. The Rug-Cutting Puzzle, Jan, 1987, 12-14
______. Trisecting an Angle-Almost, Mar, 1988, 220-222
______. Trisecting an Angle-Almost, Part 2, Jan 1991, 20-23
______. Two Egyptian Construction Tools, Feb 1993, 166-167
Lamb, John F., Jr., Farhad Aslan, Ramona Chance & Jerry D. Lowe, Inscribing and Approximate Nonagon in a Circle, May 1991, 396-398
Lambdin, Diana V., Implementing the Standards: An Open-and-Shut Case? Openness in the Assessment Process, Nov 1995, 680-684
Lambdin, Diana V., and Yoshinori Shimizu, Assessing Students' Performance on an Extended Problem-Solving Task: A Story from a Japanese Classroom, Nov 1997, 658–64
Lancaster, Ron & Charlie Marion, Media Clips, Sep 1994, 420-422
______. Media Clips, Oct 1994, 520-521
______. Media Clips, Nov 1994, 612-613
______. Media Clips, Dec 1994, 694-696
______. Media Clips, Jan 1995, 34-37
______. Media Clips, Feb 1995, 121-123
______. Media Clips, Mar 1995, 210-213
______. Media Clips, Apr 1995, 298-301
______. Media Clips, May 1995, 390-392
______. Media Clips, Sep 1995, 478-480
______. Media Clips, Oct 1995, 566-569
______. Media Clips, Nov 1995, 668-671, 684
______. Media Clips, Dec 1995, 748-751
Lancaster, Ron, and Vince Delisi, A Mathematics Trail at Exeter Academy, Mar 1997, 234–37
Landwehr, James M. & Ann E. Watkins, Exploring Data, Nov, 1988, 691
Landwehr, James M., Jim Swift & Ann E. Watkins, Exploring Surveys and Information from Samples, Dec, 1988, 756
Lange, Robert V., Expressions Writer, Nov, 1987, 682
Lange, Walter H., Robert D. Mason & Temoleon G. Rousos, Business Mathematics, 2d ed, Dec, 1986, 742
Lapointe, Archie E., Nancy A. Mead & Janice M. Askew, Learning Mathematics, Oct 1992, 591
Lapp, Douglas A. Multiple Representations for Pattern Exploration with the Graphing Calculator and Manipulatives. Feb. 1999, 109–13
Lapp, Douglas A., and Vivian Flora Cyrus. Using Data-Collection Devices to Enhance Students' Understanding. Sept. 2000, 504–10
Lappan, Glenda. Revitalizing and Refocusing Our Efforts. Oct. 1999, 648–53
Lappan, Glenda, Elizabeth Phillips, M. J. Winter & William N. Fitzgerald, Activities: Area Models for Probability, Mar, 1987, 217-223
Lappan, Glenda, Elizabeth Phillips, William M. Fitzgerald & M. J. Winter, Activities: Area Models and Expected Value, Nov, 1987, 650-658, 645-648
Larson, Karen R., and Anne Larson Quinn, When Does a Dog Become Older Than Its Owner? Dec 1996, 734–37
Larson, Roland E. & Bruce H. Edwards, Finite Mathematics, Dec 1991, 765-768
Larson, Roland E. & Bruce H. Hostetler, Brief Calculus with Applications, 3d ed, Dec 1991, 765
Larson, Roland E., Laurie Boswell & Lee Stiff, Geometry: An Integrated Approach, Apr 1995, 354
Larson, Roland E. & Robert P. Hostetler, Calculus with Analytic Geometry, 3d ed, Oct, 1986, 564
______. College Algebra, 2d ed, Mar 1990, 232-233
______. Elementary Algebra, Mar 1993, 265
______. Intermediate Algebra, Feb 1993, 173
______. Precalculus, Jan, 1986, 74
______. Precalculus, 2d ed, Mar 1990, 234-236
______. Trigonometry, 2d ed, Mar 1990, 237
Larson, Roland E, Timothy D. Kanold & Lee Stiff, Algebra 1, Oct 1993, 612
______. Algebra 2, Feb 1993, 171
______. Algebra 2, Oct 1993, 612-613
LaTorre, Donald & Andy Reeves, Clemson's Revitalization Project for Calculus, Oct 1990, 582, 595
Laubach Literacy International, Math for the Real World, Nov 1991, 679
______. Changing the Rules: Teaching Math to Adult Learners, Dec 1991, 772
Lauber, Murray, Casting Out Nines: An Explanation and Extensions, Nov 1990, 661-665
Lavigne, Nancy C., and Susanne P. Lajoie. Communicating Performance Criteria to Students through Technology, Jan 1996, 66–69
Lavric, Boris, The Volume of a Cone, May 1993, 384-385
Lazarnick, Sylvia, and Marny Frantz, Data Analysis and the Hardrock 100 Apr 1997, 274–76
Lazerges, Jean Marie, Algebra Coach: #1-Multiplying and Factoring with Binomials, #2-Introduction to Quadratic Equations, May, 1986, 392
Leach, Eilene L, An Alternative Form of Evaluation That Complies with NCTM's Standards, Nov 1992, 628-632
Leacock, Stephen, Retrospective: Human Interest Put Into Mathematics, Dec 1994, 714-715
Leake, Lowell, Did the Scarecrow Really Get a Brain?, Sep, 1986, 438-439
Learning in Motion, Measurement in Motion, Sep 1995, 518-520
Lee, J. Todd. It's All in the Area. Nov. 1999, 670–72
Lee, Mary Ann. Enhancing Discourse on Equations. Dec. 2000, 755–56.
Leep, David B., and Gina M. Foletta. Isoperimetric Quadrilaterals: Mathematical Reasoning with Technology. Feb. 2000, 144–47.
Lees, Kevin, INTRIGUE: Exciting Maths Investigations, Apr 1992, 316
Leffingwell, R. Jon, and Carol D. Jackson. The Role of Instructors in Creating Math Anxiety in Students from Kindergarten through College. Oct. 1999, 583–86
Left Coast Software, Mandelbrot Magic #1, Feb 1990, 157
Lefton, Phyllis, Alternative Approaches to Certain Inequalities, May, 1987, 371-372
______. A Matrix Method for Generating Pythagorean Triples, Feb, 1987, 103-108
______. Number Theory and Public-Key Cryptography, Jan 1991, 54-62
Legé, Steve. Why Not Three Dimensions? Oct. 1999, 560–63
LeGere, Adele, Collaboration and Writing in the Mathematics Classroom, Mar 1991, 166-171
Lehoczky, Sandor & Richard Rusczyk, The Art of Problem Solving, Vol. 1 & Vol. 2, Sep 1994, 454
Leikin, Roza, and Orit Zaslavsky. Cooperative Learning in Mathematics. Mar. 1999, 240–46
Leinbach, L. Carl, Joan R. Hundhausen, Arnold M. Ostebee, Lester J. Senechal & Donald B. Small, The Laboratory Approach to Teaching Calculus, May 1992, 395-396
Leinwand, Steven, Soundoff: Four Teacher-Friendly Postul;ates for Thriving in a Sea of Change, Sep 1994, 392-393
Leinwand, Steven J, Implementing the Standards: Sharing, Supporting, Risk Taking: First Steps to Instructional Reform, Sep 1992, 466-470
Leithold, Louis, The Calculus with Analytic Geometry, 5th ed, Feb, 1987, 162
______. College Algebra and Trigonometry, Nov, 1989, 657
Leitze, Annette Ricks, and Nancy A. Kitt. Using Homemade Algebra Tiles to Develop Algebra and Prealgebra Concepts. Sept. 2000, 462–66, 520
Leitzel, James R. C, A Call for Change: Recommendations for the Mathematical Preparation of Teachers of Mathematics, Dec 1991, 765
Leiva, Miriam A, Empowering Teachers through the Evaluation Process, Jan 1995, 44-47
______. Implementing the Standards: Empowering Teachers through the Evaluation Process, Jan 1995, 44-47
Leiva, Miriam A, Joan Ferrini-Mundy & Loren P. Johnson, Activities: Playing with Blocks: Visualizing Functions, Nov 1992, 641-6, 652-4
Lemon, Patricia, Pascal's Triangle--Patterns, Paths, and Plinko, Apr 1997, 270–73
Lennie, Joan L, A Lab Approach for Teaching Basic Geometry, Oct, 1986, 523-524
______. Producing Videos from Microcomputers, Dec, 1986, 706-707
Leonard, Bill, Proof: The Power of Persuasion, Mar 1997, 202–5
______. Two Views of One Boat, Nov, 1987, 642-643
Leonard, Bill & NYSML-ARMI contests, Calendar, Oct, 1989, 533-6, 563, 580
Lerman, Stephen, Soundoff: The Dangers of Drill, Sep, 1988, 412-413
Lesh, Richard & Susan J. Lamon, Assessment of Authentic Performance in School Mathematics, Apr 1993, 346
______. Can It Be? A Different Problem Resource Book, Apr 1993, 346
Lessard, Gary & George Gadanidis, Math Mania: Adventures in Mathematics, Oct 1990, 582
Lesser, Lawrence M. Exploring the Birthday Problem with Spreadsheets. May 1999, 407–11
______. Making the Black Box Transparent. Dec. 1999, 780–84
Lesser, Lawrence Mark. Reunion of Broken Parts: Experiencing Diversity in Algebra. Jan. 2000, 62–67 (see also Oct. 2000, 577, 607)
______. Sum of Songs: Making Mathematics Less Monotone! May 2000, 372–77
Lester, Frank K. Jr. & Diana Lambdin Kroll, Implementing the Standards: Evaluation: A New Vision, Apr 1991, 276-284
Levine, Bernard S, Another Approach to the Ambiguous Case, Mar, 1987, 208-209
Levine, Deborah R, Tips for Beginners: Solving the Homework Problem, Sep 1991, 455-456
Levy, Benjamin N, A MathCAD Exploration: Hunting for Hidden Roots, Dec 1990, 704-708
Lewellen, Hester, and Michael G. Mikusa. Now Here Is That Authority on Mathematics Reform, Dr. Constructivist! Feb. 1999, 158–63
Lewis, Geoff, The Lost Trigonometry Class and the Hidden Treasure, Jan 1994, 19-22
Lewis, Harry, Mathematics for Daily Living, 4th ed, Sep, 1986, 482
Lewis, Philip G, Approaching Precalculus Mathematics Discretely: Explorations in a Computer Environment, Oct 1991, 571-572
Li, Jie, Colin Adams, Eric Furstenberg, and Jodi Schneider, Exploring Knots, Nov 1997, 640–46, 652
Lial, Margaret D. & Charles D. Miller, Mathematics with Applications, Oct, 1987, 596
Lial, Margaret L, Charles D. Miller & E. John Hornsby, Jr, College Algebra, 6th ed, Sep 1993, 501
______. Trigonometry, 5th ed, Sep 1993, 505-506
Libow, Herb, Explorations in Geometry: The "Art" of Mathematics, May 1997 340–42 (see also Dec 1997, 766–67)
Lichtenberg, Donovan R, Pyramids, Prisms, Antiprisms, and Deltahedra, Apr, 1988, 261-265
______. Summary of the Report of the NCTM-MAA Task Force on the Mathematics Curriculum for Grades 11-13, Sep, 1988, 442-443
Lightner, James E, A Brief Look at the History of Probability and Statistics, Nov 1991, 623-630
______. A Chain of Influence in the Development of Geometry, Jan 1991, 15-18
______. Mathematicians Are Human Too. Nov. 2000, 696–99
Lin, E-Sin, William Bosch, Jennifer Sizoo, Anita Curtis, Shannon Klein, and Cheryl Micale, Fishy Formulas, Nov 1997, 666–71
Lindquist, Mary M, Linking Yesterday to Tomorrow, Sep 1994, 467-472
______. Tides of Change: Teachers at the Helm, Sep 1993, 515-520
Lindquist, Mary M. & Albert P. Shulte, Learning and Teaching Geometry, K-12: 1987 Yearbook, Nov, 1987, 683
Lindquist, Mary Montgomery, Results from the Fourth Mathematics Assessment of the National Assessment of Educational Progress, Mar 1990, 231
Lipp, Alan, The Angles of a Star. Sept. 2000, 512–16
______. Cubic Polynomials. Dec. 2000, 788–92
______. The Peelle Triangle, Jan, 1987, 56-60
Litchfield, Daniel C., David A. Goldenheim, and Charles H. Dietrich, Euclid, Fibonacci, Sketchpad, Jan 1997, 8–12 (see also Sep 1997, 480–81, 484 and Oct 1997, 566, 568)
Little, Richard A, Dipendra N. Bhattacharya & Charles D. Gallant, Calendar, Jan 1991, 37-41
Litvinenko, V. & A. Mordkovich, Solving Problems in Algebra and Trigonometry, Feb, 1989, 149-150
Litwiller, Bonnie H. & David R. Duncan, Area Formulas on Isometric Dot Paper, May, 1989, 366-369
______. Combinatorics Connections: Playoff Series and Pascal's Triangles, Oct 1992, 532-535
______. Maalox® Lottery: A Novel Probability Problem, Sep, 1987, 455-456
______. Matching Garage-Door Openers, Mar 1992, 217-219
Livingston, Charles, Knot Theory: The Carus Mathematical Monographs, Sep 1994, 458
Lockheed, Marlaine E, Margaret Thorpe, J. Brooks-Gunn, Patricia Casserly & Ann McAloon, Sex and Ethnic Differences in Middle School Mathematics, Science and Computer Science: What Do We Know?, Nov, 1987, 691
Lohr, Jim, Building Math Confidence, Apr 1995, 350-352
London, Robert, Nonroutine Problems: Doing Mathematics, Apr 1991, 328
Long, Calvin T, On Pigeons and Problems, Jan, 1988, 28-30, 64
Long, Madeleine J. Systemic Reform: A New Mantra for Professional Development, Oct 1996, 584–87
Long, Paul E. & Jay Graening, Finite Mathematics: An Applied Approach, Sep 1993, 502
Long, Vena M, Anatomy of an Assessment. Apr. 2000, 346–48
______. Arkansas Math Crusade, Apr 1993, 352
______. Focus on Mathematics, Dec 1992, 768
______. Graphing Calculator Enhanced Algebra Project, May 1993, 432
______. Implementing the Standards: Ladders and Saws, Sep 1993, 510-513
______. Massachusetts State Systemic Initiative: Partnerships Advancing Learning of Mathematics (PALMS), Nov 1993, 696-697
______. The Missouri Math Attack, Apr 1992, 316-317
______. National Science Foundation's Statewide Systemic Initiative, Sep 1993, 508
______. Soundoff: Coalescing: The Latest Operation in Mathematics, Apr 1993, 274-275
______. South Dakota's State Systemic Initiative, Oct 1993, 615-616
______. Video Technology and Mathematics Education, Mar 1994, 212-214
Long, Vena M, Barbara Reys & Steven J. Osterlind, Using Calculators on Achievement Tests, May, 1989, 318-325
Long, Vena M., and Christine Benson, Re: Alignment, Sep 1998, 504–7
Long, Vena M. & Janette M. Prince, AOPA: A New Aviation Education Resource, Dec 1993, 788-789
Long, Vena M. & Susan Gay, The Calculus Connections Project: Dissemination of Calculus Reform to High Schools, May 1994, 384
Longman Education, Nuffield Advanced Mathematics, Book 1, Oct 1995, 611-612
Lornell, Randi, and Judy Westerberg. Fractals in High School: Exploring a New Geometry. Mar. 1999, 260–69 (see also Sept. 1999, 524)
Lotspeich, Richard, Archimedes' Pi-An Introduction to Iteration, Mar, 1988, 208-210
Lott, Johnny W, Detective Stories for Math Problem Solving: The Pizza Perfect Caper, Dec 1994, 724
Lott, Johnny W. & Charles A. Reeves, The Integrated Mathematics Project, Apr 1991, 334-335
Lott, Johnny W. & Maurice J. Burke, Systemic Initiative for Montana Mathematics and Science (SIMMS), Sep 1994, 462-465
Love, William P, Infinity: The Twilight Zone of Mathematics, Apr, 1989, 284-292
______. Supersolids: Solids Having Finite Volume and Infinite Surfaces, Jan, 1989, 60-65
Lovell, Robert, Flip and Twist, Shuffle, Snap, and Compose, Nov, 1986, 636-638
______. Probability Activities: For Problem Solving and Skills Reinforcement, Sep 1993, 504
Lowther, Martha. Optimization: A Project in Mathematics and Communication. Dec. 1999, 764–67, 812
Lowther, Martha H. The Square-Patio Problem, Jan 1996, 4–6
Lubecke, André Michelle, Which Mean Do You Mean?, Jan 1991, 24-28
Lucas, Jerry, Becoming a Mental Math Wizard, Sep 1994, 454
Luckas, Mary, Challenging Problems in Geometry, Sep, 1987, 498
Luehrmann, Arthur, Soundoff: Computers and Mathematics-An Unholy Alliance?, Jan, 1986, 7-8
Lufkin, Dan. The Incredible Three-by-Five Card! Feb 1996, 96–98 (see also Oct 1996, 576)
Lum, Lewis, Precalculus Explorations of Function Composition with a Graphing Calculator, Dec 1995, 734-742
Lynch, Joan K, Peter Fischer & Sarah F. Green, Teaching in a Computer-Intensive Algebra Curriculum, Dec, 1989, 688-694
Lyons, David & Richard Hammack, A Simple Way to Teach Logarithms, May 1995, 374-375, See also Oct, 618
