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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, 2005.
Rules: use the digits in the year 2005 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.
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| Solution | Name | Grade | School | 5*(2+0!)+0! | Simon Alger | 10 | Cannons Creek |
| 20-5+0! | JP Allport | 7 | RSM Intermediate |
| 20-5+0! | Andrea Barry | 6 | Johnson Middle School |
| 20-5+0! | Kelsey Blood | 6 | Johnson Middle School |
| (0!+2)x5+0! | Andrew Bodin | 6 | Johnson Middle School |
| (20-5)+0! | Leah Bombardier | 11 | McCann Technical High School |
| (20-5)+0! | Julia Bossi | 7 | Rohrer Middle School |
| 20-5+0! | Jordan Boston | 6 | Floyd Middle Magnet School |
| 20-5+0! | Erica Boucher | 11 | McCann Technical High School |
| (5-0!)^2+0 | Esther Braun | 5 | John Stanford International School; Seattle WA |
| (0!+2)x5+0! | Cody Brown | 6 | Johnson Middle School |
| 20-5+0! | Kate B | 6 | Parker Middle School |
| 20-5+0! | Chris Carley | 6 | Johnson Middle School |
| 5x(2+0!)+0! | Amanda Carney | 6 | Johnson Middle School |
| 20-5+0! | Samantha Carty | 6 | Johnson Middle School |
| 20-5+0! | Rachel Charette | 8 | Mount Olive Middle School |
| 20-5+0! | Casey Ciechanowski | 6 | Johnson Middle School |
| 20-5+0! | Julia Connell | 6 | Johnson Middle School |
| [5*(2+0!)]+0! | Khu Boon Tat Daren | 7 | Hwa Chong Institution |
| (2+0!)x5+0! | Noah de Leeuw | 5 | John Stanford International School; Seattle WA |
| (20-5)+0! | Alex D. | 6 | Johnson Middle School |
| 20-5+0! | Andy Ellis | 6 | Johnson Middle School |
| 20-5+0! | Kristin Euchler | 7 | Clarksburg Elementary School |
| 20-5+0! | Christina Evans | 7 | International School of Toulouse |
| 2^5/(0!+0!) | Dave Frizzell | 6 | Johnson Middle School |
| (2+0!)*5+0! | Lisa Gardner | 9 | Buchholz High School |
| 5x(2+0!)+0! | Jimmy Gillon | 6 | Johnson Middle School |
| 20-5+0! | Trevor Girard | 11 | McCann Technical High School |
| 20-5+0! | Mike G. | 6 | Johnson Middle School |
| (20-5)+0! | Taylor G | 6 | Johnson Middle School |
| 20-5+0! | Willem Hardeski | 7 | Roher Middle School |
| 20-5+0! | Savannah Harik | 6 | Johnson Middle School |
| 2^(5-0!)+0 | Autumn Harnish | 8 | Mount Olive Middle School |
| 20-5+0! | Victoria Hebner | 6 | Johnson Middle School |
| (20-5)+0! | Katrina Illiano | 7 | Rohrer Middle School |
| 20-5+0! | K Kornet | 8 | St. Anne Sarnia, Canada |
| 5(2+0!)+0! | Adam Lemaire | 11 | McCann Technical High School |
| 5(0!+2)+0! | Andrea Lomeli | 9 | Coachella Valley High School |
| (20+0!)-5 | Tim Markatos | 6 | Johnson Middle School |
| 20-5+0! | Chelsea Michaelis | 7 | Rohrer Middle School |
| (2^(5-0!))-0 | Sarah Miller | 8 | Mount Olive Middle School |
| (5-0^0)^2 | Margaret Mohrenweiser | 9 | West Milford High School |
| 20-5+0! | Nicole Monahan | 6 | Johnson Middle School |
| 5*(2+0!)+0! | Nichole Muller | 8 | Mount Olive Middle School |
| 20-5+0! | Mark M. | 6 | Parker Middle School |
| 5*(2+0!)+0! | Colby Nadeau | 6 | Johnson Middle School |
| (2+0!)*5+0! | Erin N. | 6 | Johnson Middle School |
| 2^5/(0!+0!) | Arlete Pichardo | 9 | Coachella Valley High School |
| 20-5+0! | Shannon Prendergast | 6 | Johnson Middle School |
| 20-5+0! | Rob Prindall | 6 | Johnson Middle School |
| 20-5+0! | Zack P | 11 | McCann Technical High School |
| (20-5)+0! | Amy Rader | 7 | Rohrer Middle School |
| 20-5+0! | Viktoras Raklevicius | 6 | Floyd Middle Magnet School |
| 2^(5-0!)+0 | Abhimanyu Ramachandran | 7 | Mount Olive Middle School |
| 20-5+0! | Amanda Reilly | 6 | Johnson Middle School |
| (20-5)+0! | Ben Ringwood | 7 | Rohrer Middle School |
| 20-5+0! | Victoria Rose Rizzo | 7 | Rohrer Middle School |
| (2+0!)*5+0! | Emily Rochotte | 7 | Mount Olive Middle School |
| 5*(2+0!)+0! | Tom Ryan | 6 | Johnson Middle School |
| 5*(2+0!)+0! | Chris Salls | 8 | Mendive |
| 20-5+0! | Troy Salvatore | 6 | Johnson Middle School |
| 20-5+0! | Dave Senecal | 11 | McCann Technical High School |
| (20-5)+0! | Sean Shakespeare | 6 | Johnson Middle School |
| (20+0!)-5 | Dylan Shaw | 6 | Johnson Middle School |
| 5*(2+0!)+0! | Courtney S. | 6 | Johnson Middle School |
| 20-5+0! | Carolyn Tracey | 6 | Johnson Middle School |
| 5(2+0!)+0! | Samantha Vidal | 8 | Mount Olive Middle School |
| ((2+0!)*5)+0! | Amanda Von Lindern | 8 | Mount Olive Middle School |
| 20-5+0! | Sean Wilson | 6 | Johnson Middle School |
| 20-5+0! | CJ Wood | 6 | Johnson Middle School |
| 20-5+0! | Darlene | 11 | McCann Technical High School |
| 20-5+0! | Kelsey | 6 | Johnson Middle School |
| 20-5+0! | Kelsey | 11 | McCann Technical High School |
| (5-0^0)^2 | Mollie | 6 | Johnson Middle School |
| 5x(2+0!)+0! | Katie Weber and Kristen Leccacorvi | 10 | Arlington High School |
Please notify Judy Ann Brown of any errors.
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