A Math Forum Project

2001 Mathematics Game

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This Web page is intended to record solutions submitted by students in grades three through twelve. Submissions will be posted starting February 1, 2001.

Rules: use the digits in the year 2001 and the operations of +, -, x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for the counting numbers 1 through 100. Please read and follow the rules carefully.

Teachers may print out worksheets for students to record their findings, or print sheets of manipulatives for students to use.

STUDENT SOLUTIONS 21 to 30

  Solution Name Grade School
21 20+1+0 Ashley Abrahamson 7 Park View Middle School
  20+01 Dudás Ákos 9 SZTE Ságvári Endere
Gyakorló Gimnázium
  20-0+1 Meghan Alexander 6 Ballston Spa Middle School
  20+1+0 Lindsey Arthur 6 Ballston Spa Middle School
  20+1+0 Nick Banks 6 Ballston Spa Middle School
  21+(0+0) Ashley Beauchemin 6 Roland Rogers Elementry School
  20+1+0 Ashley Berube 6 Ballston Spa Middle School
  21 + 0 + 0 Melanie Bomke 8 Iolani School
  20 + 1^0 Mark Brubaker 7 Bridgewater-Raritan Middle School
  20+1-0 Nicholas Burbaum 5 Cranbury School
  20+1+0 Conor Caldwell 7 Park View Middle School
  21 + 0 * 0 Ritwik Chaudhuri 9 Patha Bhavana
  20+1.0 Nihar Desai 8 Mount Olive Middle School
  (20+1)+0 Sean Donahue 6 Horace Mann Middle School
  20+0+1 Michele DuBois 6 Springton Lake Middle School
  20x1+0! Heather Evans 8 Mt. Olive Middle School
  20+1+0 Mary Fare 6 Ballston Spa Middle School
  20+0+1 Josh Flynt 6 Ballston Spa Middle School
  20-0+1 Christie Fodera 6 Ballston Spa Middle School
  10x2+0! Megha Holani 7 Woodrow Wilson Middle School
  20+1-0 Christina Johnson 7 Southwestern Randolph Middle School
  21+0+0 Akil Kumarasamy 7 Woodrow Wilson Middle School
  20+0+1 Nikki Laiacona 6 Ballston Spa Middle School
  20+1+0 Christine Liang 7 Woodrow Wilson Middle School
  1^0+20 Ke Lu 7 Deer Park P.S.
  (20 + 1) + 0 Joey Manno 4 C. P. Smith
  21 + 0 + 0 Jonathan Marcus 11 Charles E. Smith Jewish Day School
  20+1-0 Robert Matteson 7 Park View Middle School
  20+1-0 John Mazza 7 Park View Middle School
  20+(0+1) Stefani Milstrey 6 Ballston Spa Middle School
  20-0+1 Kaitlin Morano 6 Ballston Spa Middle School
  21+0+0 Linda Mummy 8 Issaquah Middle School
  20+1-0 Casey Munoz 7 Park View Middle School
  10*2+0! Ike Newman 4 Joseph Kushner Hebrew Academy
  21-0-0 Amanda Oakman 6 Ballston Spa Middle School
  20+1+0 Dinu Razvan 9 National College Mihai Viteazul
Ploiesti , Romania
  20+1+0 David Rockwell 7 Wilson Central Junior High
  21+0+0 Jennifer Rowe 8 Mount Olive Middle School
  20+(1^0) Michelle Schmidt 7 Wilson Central Junior High
  21+0+0 Neha Shende 7 Woodrow Wilson Middle School
  20+1-0 Tiffany Symonds 6 Ballston Spa Middle School
  20+1+0 Peter Szajna 7 Wilson Central Junior High
  (21/0!) + 0 Bob Tang 11 James Ruse Agricultural High School
  (20 x 0!)+1 Bob Tang 11 James Ruse Agricultural High School
  20+0+1 Sean Thompson 12 Lakewood Ranch High
  20+1+0 Peter Tonzi 6 Horace Mann Middle School
  20+0+1 Szerencsi Uldikó 10 Ságvári Endere
Gyakorló Gimnázium
  20+01 Anna Vágvölgyi 10 SZTE Ságvári Endere
Gyakorló Gimnázium
  (20+1)-0 Katrina Williams 6 Roland Rogers Elementry School
  1.0+20 Dalya Zucker 4 Joseph Kushner Hebrew Academy
  20-(-1)+0 SPJHS Math Club 8 Solomon Plains Junior High School
  20+1+0 Serena Covkin, David Rosenwein, Noah Mink, Jessica Levenson, Dalya Arussy 4 Joseph Kushner Hebrew Academy
  20+1+0 Chelsey 7 Park View Middle School
  20+1+0 Julia 7 Park View Middle School
  21+0+0 Vishnu 9 Roland Rogers Elementry School
22 20+1+0! Ashley Abrahamson 7 Park View Middle School
  20+1+0! Arda Antikacioglu 6 The Koc Elementary School
  20+1+0! Matthew Boccanfuso 7 Park View Middle School
  21 + 0! + 0 Melanie Bomke 8 Iolani School
  20+1+0! Nicholas Burbaum 5 Cranbury School
  20+1+0! Conor Caldwell 7 Park View Middle School
  21 + 0! + 0 Ritwik Chaudhuri 9 Patha Bhavana
  21+0!+0 Dante Digiamberardino 7 Wilson Central Junior High
  20+0!+1 Michele DuBois 6 Springton Lake Middle School
  20+1+0! Heather Evans 8 Mt. Olive Middle School
  21+0!+0 Debbie Faynshteyn 4 Joseph Kushner Hebrew Academy
  2(10+0!) Megha Holani 7 Woodrow Wilson Middle School
  20+1+0! Mathew Jolivet 7 Park View Middle School
  21 + 0! + 0 Jonathan Marcus 11 Charles E. Smith Jewish Day School
  20+1+0! Robert Matteson 7 Park View Middle School
  21+0!+0 Linda Mummy 8 Issaquah Middle School
  20+1+0! Casey Munoz 7 Park View Middle School
  21+0^0 Dinu Razvan 9 National College Mihai Viteazul
Ploiesti , Romania
  20+1+0! David Rockwell 7 Wilson Central Junior High
  21+0!+0 Neha Shende 7 Woodrow Wilson Middle School
  20 + 0! + 1 Bob Tang 11 James Ruse Agricultural High School
  20+0!+1! Sean Thompson 12 Lakewood Ranch High
  20+1+0! Serena Covkin, David Rosenwein, Noah Mink, Jessica Levenson, Dalya Arussy 4 Joseph Kushner Hebrew Academy
  (0!+0!)/.1+2 Emily Hirsch, Dalya Zucker 4 Joseph Kushner Hebrew Academy
  20+1+0! Chelsey 7 Park View Middle School
  20+0!+1 Julia 7 Park View Middle School
  21+(0^0) Vishnu 9 Roland Rogers Elementry School
23 21+0!+0! Ashley Abrahamson 7 Park View Middle School
  (2+0!+0!)!-1 Arda Antikacioglu 6 The Koc Elementary School
  21 + 0! + 0! Melanie Bomke 8 Iolani School
  (2+1+0!)!-0! Nicholas Burbaum 5 Cranbury School
  21+0!+0! Conor Caldwell 7 Park View Middle School
  (1+0!+2)!-0! Thomas Carlile 8 International School of Toulouse
  (2 + 0! + 0!)! - 1 Ritwik Chaudhuri 9 Patha Bhavana
  21+0!+0! Michele DuBois 6 Springton Lake Middle School
  21+0!+0! Heather Evans 8 Mt. Olive Middle School
  21+0!+0! Avi Feygin 4 Joseph Kushner Hebrew Academy
  (2+0!+0!)!-1 Soti Gergely 11 Gymansium Svetozar Markovic
  0!+0!+21 Josh Gonzalez 7 Bridgewater-Raritan Middle School
  21+0!+0! Megha Holani 7 Woodrow Wilson Middle School
  (2+(0!+0!))!-1 Akil Kumarasamy 7 Woodrow Wilson Middle School
  21 + 0! + 0! Jonathan Marcus 11 Charles E. Smith Jewish Day School
  21+0!+0! Robert Matteson 7 Park View Middle School
  21+(0!+0!) John Mazza 7 Park View Middle School
  21+0!+0! Linda Mummy 8 Issaquah Middle School
  21+(0!+0!) Casey Munoz 7 Park View Middle School
  21+0!+0! Michelle Schmidt 7 Wilson Central Junior High
  21+0!+0! Neha Shende 7 Woodrow Wilson Middle School
  (2+0!+0!)! - 1 Bob Tang 11 James Ruse Agricultural High School
  (1+0!+2)!-0! Serena Covkin, David Rosenwein, Noah Mink, Jessica Levenson, Dalya Arussy 4 Joseph Kushner Hebrew Academy
  21+0!+0! Chelsey 7 Park View Middle School
  21+0!+0! Julia 7 Park View Middle School
24 12*(0!+0!) Ashley Abrahamson 7 Park View Middle School
  (2+0!+0!)!/1 Arda Antikacioglu 6 The Koc Elementary School
  ((1+0^0)^2)! Arda Antikacioglu 6 The Koc Elementary School
  12x(0!+0!) Dalya Arussy 4 Joseph Kushner Hebrew Academy
  12*(0!+0!) Matthew Boccanfuso 7 Park View Middle School
  12 * (0! + 0!) Melanie Bomke 8 Iolani School
  (2+1+0^0)! Nicholas Burbaum 5 Cranbury School
  12*(0!+0!) Conor Caldwell 7 Park View Middle School
  (1+0!+0+2)! Thomas Carlile 8 International School of Toulouse
  (2 + 1 + 0!)! + 0 Ritwik Chaudhuri 9 Patha Bhavana
  [(2+1)+0!]!+0 Dante Digiamberardino 7 Wilson Central Junior High
  (2+0!+0+1)! Michele DuBois 6 Springton Lake Middle School
  (2+1+0!-0)! Heather Evans 8 Mt. Olive Middle School
  (0!+1+2)!+0 Avi Feygin 4 Joseph Kushner Hebrew Academy
  12*(0!+ 0!) Amy Guerin 7 Mount Olive Midddle School
  12(0!+0!) Megha Holani 7 Woodrow Wilson Middle School
  (12)(0!+0!) Akil Kumarasamy 7 Woodrow Wilson Middle School
  12*(0!+0!) Ke Lu 7 Deer Park P.S.
  12*(0!+0!) Robert Matteson 7 Park View Middle School
  (2+0!+1)!+0 Linda Mummy 8 Issaquah Middle School
  12x(0!+0!) Casey Munoz 7 Park View Middle School
  12x(0!+0!) Claire O'Loughlin 7 The International School of Toulouse
  (2+0^0+1)! Dinu Razvan 9 National College Mihai Viteazul
Ploiesti , Romania
  (2+1+0!+0)! Samer Sayegh 9 Queensway Christian College
  (0!+0!)*12 Neha Shende 7 Woodrow Wilson Middle School
  (2+1+0!)! - 0 Bob Tang 11 James Ruse Agricultural High School
  (0!+1+2)!+0 Serena Covkin, David Rosenwein, Noah Mink, Jessica Levenson, Dalya Arussy 4 Joseph Kushner Hebrew Academy
  12x(0!+0!) Chelsey 7 Park View Middle School
  12 x ( 0! + 0! ) Hannaway 7 Park View Middle School
  12*(0!+0!) Julia 7 Park View Middle School
25 (2+0!+0!)!+1 Arda Antikacioglu 6 The Koc Elementary School
  (2+1+0!)!+0! Nicholas Burbaum 5 Cranbury School
  (1+0!+2)!+0! Thomas Carlile 8 International School of Toulouse
  (2 + 0! + 0!)! + 1 Ritwik Chaudhuri 9 Patha Bhavana
  (1/.2)^(0!+0!) Michele DuBois 6 Springton Lake Middle School
  (2+1+0!)!+0! Ashley Franks 7 South Middle School
  (2+0!+0!)!+1 Soti Gergely 11 Gymansium Svetozar Markovic
  (2+1+0!)!+0! Megha Holani 7 Woodrow Wilson Middle School
  (2+(0!+0!))!+1 Akil Kumarasamy 7 Woodrow Wilson Middle School
  (2+0!+0!)!+1 Linda Mummy 8 Issaquah Middle School
  (2+0!+0!)!+1 Matthew Sherman 4 Joseph Kushner Hebrew Academy
  (2+0!+0!)! + 1 Bob Tang 11 James Ruse Agricultural High School
26 .2^(-(0!+0!))+1 Linda Mummy 8 Issaquah Middle School
  [.2^-(0!+0!)] + 1 Bob Tang 11 James Ruse Agricultural High School
27        
28        
29 [(2+0!)/.1]-0! Arda Antikacioglu 6 The Koc Elementary School
  ((2 + 0!)/ .1) - 0! Ritwik Chaudhuri 9 Patha Bhavana
  (2+0!)/.1-0! Soti Gergely 11 Gymansium Svetozar Markovic
30 20+10 Jacob Ackerman 6 Ballston Spa Middle School
  20+10 Meghan Alexander 6 Ballston Spa Middle School
  20+10 Michael Anselmi 6 Horace Mann Middle School
  (2+0!)/.1)+0 Arda Antikacioglu 6 The Koc Elementary School
  10+20 Lindsey Arthur 6 Ballston Spa Middle School
  20+10 Ashley Beauchemin 6 Roland Rogers Elementry School
  20+10 Nick Banks 6 Ballston Spa Middle School
  20+10 Adriana Bateh 7 Wilson Central Junior High
  20+10 Ashley Berube 6 Ballston Spa Middle School
  20+10 Matthew Boccanfuso 7 Park View Middle School
  20+10 Melanie Bomke 8 Iolani School
  20+10 Nicholas Burbaum 5 Cranbury School
  20+10 Conor Caldwell 7 Park View Middle School
  ((2 + 0!)/ .1) + 0 Ritwik Chaudhuri 9 Patha Bhavana
  20+10 Brittany Clark 6 Ballston Spa Middle School
  20+10 Maegan Conley 6 Ballston Spa Middle School
  20+10 Ashleyanne Dennis 6 Ballston Spa Middle School
  20+10 Nihar Desai 8 Mount Olive Middle School
  20+10 Sean Donahue 6 Horace Mann Middle School
  20+10 Michele DuBois 6 Springton Lake Middle School
  20+10 Heather Evans 8 Mt. Olive Middle School
  20+10 Mary Fare 6 Ballston Spa Middle School
  20+10 Josh Flynt 6 Ballston Spa Middle School
  20+10 Christie Fodera 6 Ballston Spa Middle School
  20+10 Randy Gong 6 Roland Rogers Elementry School
  20+10 Megha Holani 7 Woodrow Wilson Middle School
  10+20 Gerard Hume 9 International School of Toulouse
  20+10 Mathew Jolivet 7 Park View Middle School
  20+10 Akil Kumarasamy 7 Woodrow Wilson Middle School
  20+10 Nikki Laiacona 6 Ballston Spa Middle School
  20+10 Christine Liang 7 Woodrow Wilson Middle School
  10+20 Ke Lu 7 Deer Park P.S.
  20 + 10 Shanda Mahoney 4 C. P. Smith
  20+10 Kaitlin Morano 6 Ballston Spa Middle School
  10*(2+0!) Linda Mummy 8 Issaquah Middle School
  20+10 Casey Munoz 7 Park View Middle School
  20+10 Ike Newman 4 Joseph Kushner Hebrew Academy
  20+10 Amanda Oakman 6 Ballston Spa Middle School
  20+10 Dinu Razvan 9 National College Mihai Viteazul
Ploiesti , Romania
  10+20 David Rosenwein 4 Joseph Kushner Hebrew Academy
  10+20 Neha Shende 7 Woodrow Wilson Middle School
  20+10 Tiffany Symonds 6 Ballston Spa Middle School
  10*(2+0!) Sean Thompson 12 Lakewood Ranch High
  20+10 Peter Tonzi 6 Horace Mann Middle School
  10+20 Szerencsi Uldikó 10 Ságvári Endere
Gyakorló Gimnázium
  10+20 Matt Wakefield 9 International School of Toulouse
  20+10 Anna Vágvölgyi 10 SZTE Ságvári Endere
Gyakorló Gimnázium
  20+10 Katrina Williams 6 Roland Rogers Elementry School
  20+10 Bicky 7 Sabrina High School
  20+10 Chelsey 7 Park View Middle School
  20+10 Dana 6 Roland Rogers Elementry School
  20+10 Jill 7 Park View Middle School
  20 + 10 Jon 6 Lisbon
  20+10 Julia 7 Park View Middle School
  20+10 Vishnu 9 Roland Rogers Elementry School

Solutions 1 to 10 Solutions 11 to 20 Solutions 31 to 40
Solutions 41 to 50 Solutions 51 to 60 Solutions 61 to 70
Solutions 71 to 80 Solutions 81 to 90 Solutions 91 to 100
Please notify judyann@mathforum.com of any errors.

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