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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 |
| 20-0!^5 | Simon Alger | 10 | Cannons Creek |
| 20-5^0 | Andrea Barry | 6 | Johnson Middle School |
| (0!+0!+2)!-5 | Andrew Bodin | 6 | Johnson Middle School |
| 20-5^0 | Esther Braun | 5 | John Stanford International School; Seattle WA |
| 20-5^0 | Amanda Carney | 6 | Johnson Middle School |
| 20-5^0 | Samantha Carty | 6 | Johnson Middle School |
| 20-5^0 | Casey Ciechanowski | 6 | Johnson Middle School |
| (2+0!+0!)!-5 | Noah de Leeuw | 5 | John Stanford International School; Seattle WA |
| sqrt(5!*(2+0!)+0!) | Ben Durrant | 10 | International School of Toulouse |
| 20-5^0 | Alex D. | 6 | Johnson Middle School |
| 20-5^0 | Andy Ellis | 6 | Johnson Middle School |
| (2+0!+0!)!-5 | Jeremiah Fox-Laurin | 8 | Owosso Middle School |
| 20-5^0 | Ryan Ford | 6 | Johnson Middle School |
| 20-5^0 | Dave Frizzell | 6 | Johnson Middle School |
| 20-5^0 | Lisa Gardner | 9 | Buchholz High School |
| (2+0!+0!)!-5 | Jimmy Gillon | 6 | Johnson Middle School |
| 20-5^0 | Taylor G | 6 | Johnson Middle School |
| 20-5^0 | Stephen Hall | 7 | The Gordon School |
| 20-5^0 | Savannah Harik | 6 | Johnson Middle School |
| 20-5^0 | Victoria Hebner | 6 | Johnson Middle School |
| 20-5^0 | Lucy Kahn | 7 | Gordon School |
| (2+0!+0!)!-5 | Lawrence Lamisere | 5 | Underwood School, Newton ,MA |
| 20-5^0 | Jessica Martinez | 7 | Williamstown Middl School |
| 20-5^0 | Margaret Mohrenweiser | 9 | West Milford High School |
| (2+0!+0!)!-5 | Dylan M | 6 | Johnson Middle School |
| 20-5^0 | Mark M. | 6 | Parker Middle School |
| 20-5^0 | Colby Nadeau | 6 | Johnson Middle School |
| 20-(5^0) | Kanako Nakagawa | 5 | Canadian Academy Japan, Kobe |
| 20-5^0 | Erin N. | 6 | Johnson Middle School |
| 20-5^0 | Calvin Pratt | 6 | Johnson Middle School |
| 20-5^0 | Shannon Prendergast | 6 | Jonhson Middle School |
| 20-5^0 | Rob Prindall | 6 | Johnson Middle School |
| 20-5^0 | Brian Reardon | 11 | McCann Technical High School |
| (0!+2+0!)!-5 | Chris Salls | 8 | Mendive |
| 20-5^0 | Troy Salvatore | 6 | Johnson Middle School |
| 20-5^0 | Carolyn Tracey | 6 | Johnson Middle School |
| 20-5^0 | Amanda Von Lindern | 8 | Mount Olive Middle School |
| 20-5^0 | George Wagner | 8 | Mount Olive Middle School |
| 20-5^0 | Paige Wilsey | 7 | Rohrer Middle School |
| 20-5^0 | CJ Wood | 6 | Johnson Middle School |
| 20-5^0 | Thomas Woodward | 11 | Brookstone School |
| 20-5^0 | Brandon | 7 | Rohrer Middle School |
| (2+0!+0!)!-5 | Dylan | 6 | Johnson Middle School |
| 20-5^0 | Mollie | 6 | Johnson Middle School |
| 20-(0*5)! | Shannon | 8 | Ahern Middle School |
| 20-5^0 | Emily Falvey and Jenna MacLellan | 6 | Johnson Middle School |
| 20-5^0 | Courtney, Stefano, and Frank | 7 | St. Bernadette, Brooklyn NY |
Please notify Judy Ann Brown of any errors.
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