Honors and Publications
David Pleacher
Degrees:
B.A. in Mathematics from Hartwick College, 1968
M.S. in Ed. in Mathematics from James Madison University, 1971
Positions Held:
Mathematics Teaching Fellow, Hartwick College, Oneonta, NY, 1966 - 1967
Mathematics Teacher, Washington & Lee High School, Arlington County, VA, 1968
Mathematics Teacher, Herndon High School, Fairfax County, VA, 1968 - 1973
Mathematics Teacher, John Handley High School, Winchester, VA, 1973 - 2006
Math Department Chairman, John Handley High School, Winchester,VA, 1983 - 1995
Adjunct Instructor, Lord Fairfax Community College, Middletown, VA, 1984 - 2006
Adjunct Instructor, James Madison University, Harrisonburg VA, 1986 - 1987
V.C.T.M. Executive Board Member, 1982 - 1984 (Virginia Council of Teachers of Mathematics)
Co-editor of Computer Shorts column in the Virginia Mathematics Teacher, 1983 - 1985
Honors Received:
Recipient of Presidential Award for Excellence in Mathematics Teaching from President Ronald Reagan,
October 22-25, 1985
(Article in Education Week)
(PAEMST website)
Named as one of 100 Handley Notables January 2024
(List of Notables)
(Article in The Winchester Star)
Recipient of William C. Lowry Outstanding Mathematics Teacher
Award from V.C.T.M., March 28, 1987
Recipient of Tandy Technology Scholars Award (National Finalist),
February 27, 1992 (Photo on page 44 of the March 30, 1992 issue of
Time magazine) and
(Photo on page 124 of the April 20, 1992 issue of
Fortune magazine)
Selected to participate in the Woodrow Wilson National Fellowship Foundation Math Institute
at Princeton University, July 6 - August 1, 1986
Listed in various Who's Who publications, 1994 - 2007
Recipient of the Winchester Rotary Club Teacher of Influence Award, May 19, 2005
Recipient of Homer "Pete" Ice Faculty Service Award from the
Handley High Athletic Department, May 16,1991
Voted Teacher of the Year at Handley High School, 1977
Yearbook Dedication by the Class of '78 of John Handley High School,
June 1978
Recognized as an Outstanding Educator by the Governor's School for
Math, Science, & Technology at Lynchburg College, 1997 and 1999
Participant in Math Task Force - Fund for Excellence Curriculum
Project at University of Virginia, June 21, 1984
Computer Software Development Project for the Virginia
Department of Education, 1985 - 1990
Certificate of Recognition as Outstanding High School Educator
from Frostburg State University, April 21, 1991
Speaker at nineteen N.C.T.M. Regional Conferences, V.C.T.M.
Conferences, State Math Conferences, and local math
conferences, 1982 - 1993
Named as a 2017 recipient of the Albert Nelson Marquis Lifetime Achievement Award, July 2017
Online Publications:
The Pleacher Page
Math Page, Forwards, National Parks and more
Southern Chronicles, Belmont, Western Australia
Three puzzles #1, #2, #4 (February 2022 edition) on page 7.
Dirty Dozen Balancing Act puzzle (September 2022 edition) on page 14.
Traffic puzzle (October 2022 edition) on page 14.
Cross Math puzzle (November 2022 edition) on page 14.
Shout-out from the editor (December 2022 edition) on page 3.
Two puzzles -- reindeer problem and Christmas tree problem
(December 2022 edition) on page 14.
This Month's Logic Puzzle -- True/False Puzzle about 4 island people (May 2023 edition) on page 14.
Two puzzles under This Month's Maths Puzzle -- Oranges and Books (June 2023 edition) on page 14.
Two puzzles under This Month's Maths Puzzle -- Feeding the Monkeys and Dick, Jane, Sally
(July 2023 edition) on page 14.
Two puzzles under This Month's Maths Puzzle -- 40th Birthday and Lunchtime
(August 2023 edition) on page 12.
This Month's Logic Puzzle -- The Crossing (September 2023 edition) on page 14.
This Month's Maths Puzzle: Whose Sum is Correct? (October 2023 edition) on page 12.
Two puzzles: This Month's Maths Puzzle -- Mailbox numbers and Wacky Wordies
(November 2023 edition) on page 14.
Two puzzles: Christmas Maths Puzzle and Christmas Bonus
(December 2023 edition) on page 14.
Acknowledgement (February 2024 edition) on page 14.
Two puzzles and acknowledgement (March 2024 edition) on page 14.
Maze puzzle and acknowledgement (April 2024 edition) on page 14.
Acknowledgement for Puzzle Shop Problem (May 2024 edition) on page 14.
Acknowledgement for Mr. P's Barn (July 2024 edition) on pages 14 and 9.
Mr. P's birthday card (September 2024 edition) on page 14.
Monster Costume Party (October 2024 edition) on page 14.
Acknowledgement for How Tall is That? and The Five Houses (November 2024 edition) on page 14.
Shout-out from the editor (December 2024 edition) on page 3.
Who Is Leading Santa's Sleigh? and Can You Guess the Carols? (December 2024 edition) on page 14.
Valentine's Wackie Wordie (February 2025 edition) on page 14.
Card Problem, Trouble at the Servo, and Sudoku puzzles (March 2025 edition) on page 14.
Elon Musk and Tesla stock puzzles (April 2025 edition) on page 14.
Click here for issues of Southern Chronicles
Reddit
techdirections:
Mascot Math (September 2017)
Bevy of Barnyard Beasts - #7 (September 2017)
Driving Me Crazy (October 2017)
Checkmate! (October 2017)
Rack 'em Up (October 2017)
Problems Squared (November 2017)
State of the Estate (November 2017)
Join Us for Lunch - #15 (December 2017)
A Fish Story - #19 (December 2017)
Problem Basement (January 2018)
Changing Times - #14 (January 2018)
Computer Conundrum (February 2018)
Hold the Anchovies Please! (February 2018)
Phone Button Boggle (March 2018)
Time for Change (March 2018)
School's Out (March 2018)
Social Security Benefits (March 2018)
Fill er Up (April 2018)
Ready to Ride (April 2018)
A Real Hum-Dinger (May 2018)
Let Me Give You a Tip (May 2018)
Dial By Name (May 2018)
A Closer Look at the Deathly Hallows (September 2018)
Around the World #25 (September 2018)
How Far will you go? (September 2018)
Let's Rock -- #43 (October 2018)
A Glass Menagerie? -- #48 (October 2018)
Does Anybody Really Know What Time It Is? (October 2018)
A Sale that is on Sale? (November 2018)
The Long and Winding Road (November 2018)
What is the Football Team doing on our Field? -- #16 (November 2018)
Squared Up (December 2018)
But is it worth it? -- #10 (December 2018)
Around the world in 80 days? -- #26 (December 2018)
Funky Phrases (January 2019)
Throttle Up! (January 2019)
TV Envy (January 2019)
But it Just Doesn't Add Up (February 2019)
Merrily We Roll Along ... #29 (February 2019)
Road Trip! (February 2019)
Math in the Water ... #41 (March 2019)
Watch the Speed Limit ... #28 (March 2019)
Always Problems ... #49 (March 2019)
Batter Up ... #24 (April 2019)
Cruizin' (April 2019)
Put on your Walking Shoes (April 2019)
Circular Reasing (May 2019)
Work it Out! (May 2019)
You're How Old? (October 2019)
What Next? (October 2019)
Cross Math (October 2019)
The Games People Play (November/December 2019)
Pizza! Pizza!
(November/December 2019)
Stewart's Birthday Cake (November/December 2019)
Save! Save Even More! (January/February 2020)
If I were A Rich Man ... (January/February 2020)
Penny for your thoughts (January/February 2020)
They Grow Up So Fast (March/April 2020)
The Lady and the Tiger (March/April 2020)
A Rewarding Experience (March/April 2020)
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Here are pdf files of the actual issues of Techdirections:
September 2017 issue of techdirections (page 30)
October 2017 issue of techdirections (page 30)
November 2017 issue of techdirections (page 34)
December 2017 issue of techdirections (page 50)
January 2018 issue of techdirections (page 30)
February 2018 issue of techdirections (page 30)
March 2018 issue of techdirections (page 32)
April 2018 issue of techdirections (page 30)
May 2018 issue of techdirections (page 30)
September 2018 issue of techdirections (page 30)
October 2018 issue of techdirections (page 30)
November 2018 issue of techdirections (page 30)
December 2018 issue of techdirections (page 38)
January 2019 issue of techdirections (page 30)
February 2019 issue of techdirections (page 30)
March 2019 issue of techdirections (page 30)
April 2019 issue of techdirections (page 30) not yet available online
May 2019 issue of techdirections (page 30)
October 2019 issue of techdirections (page 30)
November/December 2019 issue of techdirections (page 30)
January/February 2020 issue of techdirections (page 30)
March/April 2020 issue of techdirections (page 30)