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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 | Jonathan Bailey | 6 | Johnson Middle School |
| 20-5-0 | Zach Bannon | 6 | JMS |
| 20-5+0 | Andrea Barry | 6 | Johnson Middle School |
| 20-5+0 | Christine Bloom | 8 | Mount Olive 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 | Jordan Boston | 6 | Floyd Middle Magnet School |
| 20-5-0 | 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 |
| (2+0!)x5-0 | Seth Cable | 11 | McCann Technical High School |
| 20-5+0 | Chris Carley | 6 | Johnson Middle School |
| (2+0!)x5+0 | Samantha Carty | 6 | Johnson Middle School |
| (2+0!)x5+0 | Casey Ciechanowski | 6 | Johnson Middle School |
| 20-5+0 | Bryan Clark | 11 | McCann Technical High School |
| 20-5+0 | Julia Connell | 6 | Johnson Middle School |
| 20-5+0 | Sarah Connolly | 6 | Johnson Middle School |
| (0^0+2)x5 | Dave Connors | 6 | Johnson Middle School |
| 20-5+0 | Charlie Costanzo | 7 | Broadview 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 | Lim Yu Sheng Fabian | 7 | Hwa Chong Institution |
| 20-5+0 | Ryan Ford | 6 | Johnson Middle School |
| (2+0^0)x5 | Dave Frizzell | 6 | Johnson Middle School |
| (2+0!+0)*5 | Lisa Gardner | 9 | Buchholz High School |
| 5x(2+0!)+0 | Jimmy Gillon | 6 | Johnson Middle School |
| 20-5+0 | Caroline G. | 6 | Johnson Middle School |
| 20-5-0 | Mike G. | 6 | Johnson Middle School |
| (2+0^0)*5 | 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 | Lim Kah Hong | 8 | Hwachong Institution |
| 20-5+0 | Liz Jelloe | 6 | Johnson Middle School |
| 20-5-0 | Lau Wei Jie Jonathan | 7 | Hwa Chong Institution |
| (2+0^0)*5 | Lucy Kahn | 7 | Gordon School |
| 5(2+0!)-0 | Adam Lemaire | 11 | McCann Technical High School |
| 5(0!+2)+0 | Andrea Lomeli | 9 | Coachella Valley High School |
| 20-5+0 | Jonathan Low | 7 | Rohrer Middle School |
| 20-5-0 | Devin McKenney | 6 | Floyd Middle Magnet |
| 20-5-0 | Margaret Mohrenweiser | 9 | West milford high school |
| 20-5+0 | Nicole Monahan | 6 | Johnson Middle School |
| (2!+0!)*5-0 | Bersa Mosqueda | 9 | Coachella Valley High School |
| 20+0-5 | Nichole Muller | 8 | Mount Olive Middle School |
| 5*(2+0^0) | Mark M. | 6 | Parker Middle School |
| 5*(2+0!)+0 | Colby Nadeau | 6 | Johnson Middle School |
| (20-5)+0 | Kanako Nakagawa | 5 | Canadian Academy Japan, Kobe |
| (5x(2+0!)+0 | Daniel Nussbaum | 8 | Mount Olive Middle School |
| (2+0^0)*5 | Erin N. | 6 | Johnson Middle School |
| 20-5+0 | Meaghan Petrosky | 6 | Johnson Middle School |
| 5*(2+0^0) | Calvin Pratt | 6 | Johnson Middle School |
| 20-5+0 | Shannon Prendergast | 6 | Johnson Middle School |
| 20-5+0 | Zack P | 11 | McCann Technical High School |
| (0^0+2)x5 | Michelle Quinones | 7 | Williamstown Middle School |
| 20-5-0 | Viktoras Raklevicius | 6 | Floyd Middle Magnet School |
| 5*(2+0!)+0 | Abhimanyu Ramachandran | 7 | Mount Olive Middle School |
| 20-5+0 | Amanda Reilly | 6 | Johnson 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 | Cameron Saunders | 9 | Brookstone |
| 0+20-5 | Dave Senecal | 11 | McCann Technical High School |
| 20-5+0 | Sean Shakespeare | 6 | Johnson Middle School |
| (20-5)+0 | Dylan Shaw | 6 | Johnson Middle School |
| 20-5+0 | Grace Shi | 5 | Canadian Academy |
| 20-5+0 | Jodi Stalter | 8 | Mount Olive Middle School |
| 20-5+0 | Ryland Stevens | 6 | Johnson Middle School |
| 20-5+0 | Nina Suarez | 7 | Williamstown Middle School |
| 5*(2+0!)+0 | Courtney S. | 6 | Johnson Middle School |
| 20-5+0 | Ricaqrdo Trochez | 8 | Mount Olive Middle School |
| 20-5+0 | Carolyn Tracey | 6 | Johnson Middle School |
| ((2+0!)*5)+0 | Amanda Von Lindern | 8 | Mount Olive Middle School |
| 5(2+0!)+0 | Samantha Vidal | 8 | Mount Olive Middle School |
| 20-5+0 | Vanessa Walsh | 6 | Johnson Middle School |
| 20-5-0 | Shannon Weyrauch | 10 | Sullivan West |
| 20-5+0 | Brittney Wheeler | 11 | McCann Technical High School |
| 20-5+0 | CJ Wood | 6 | Johnson Middle School |
| (2+0^0)*5 | Christina | 6 | Johnson Middle School |
| 20-5+0 | Darlene | 11 | McCann Technical High School |
| (2+0^0)*5 | Dylan | 6 | Johnson Middle School |
| 20-5+0 | Kelsey | 6 | Johnson Middle School |
| 20-5+0 | Kelsey | 11 | McCann Technical High School |
| 20-5-0 | Kevin | 11 | McCann Technical High School |
| (2+0^0)*5 | Mollie | 6 | Johnson Middle School |
| 20-5+0 | Samantha | 7 | St. Bernadettein Brooklyn New York |
| 20-5+0 | Courtney, Stefano, and Frank | 7 | St. Bernadette, Brooklyn NY |
Please notify Judy Ann Brown of any errors.
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