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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, 2007.
Rules: use the digits in the year 2007 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 |
| 27x(0!+0!) | Kate Ahrens | 7 | Mount Olive Middle School |
| 27x(0!+0!) | Chua Cheng Aik | 9 | Hwa Chong Institution |
| 27x(0!+0!) | Neal Amos | 10 | Brookstone School |
| 27*(0!+0!) | Bryce S. Brown | 7 | William G Rohrer Middle School |
| 27*(0!+0!) | Matthew Butrica | 7 | Rohrer Middle School |
| 27*(O!+0!) | Jamie Caputo | 7 | Rohrer Middle School |
| 27*(0!+0!) | Bob Chen | 8 | Northwest Junior High |
| 27x(0!+0!) | Paxton Chia | 8 | Hwachong Institution |
| 27x(0!+0!) | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| 27x(0!+0!) | Tran Ha Duong | 9 | 3h, Hwa Chong Institution |
| (0!+0!)*27 | Michael Endick | 8 | Foothill Middle School |
| 27*(0!+0!) | Timothy Esposito | 7 | Rohrer Middle School |
| 27*(0!+0!) | Mark Frasco | 1 | Rohrer Ms |
| 27*(0!+0!) | Amanda Fry | 7 | Rohrer Ms |
| 27x(0!+0!) | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| 27x(0!+0!) | Chan Tuck Ging | 7 | Hwa Chong Institution |
| 27*(0!+0!) | Molly Grasmick | 7 | Rohrer Ms |
| 27(0! + 0!) | Cara Hudak | 8 | Hudson Montessori Middle Scholl |
| 27x(0!+0!) | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| 27*(0!+0!) | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| 27x(0!+0!) | Tan Song Kai | 8 | Hwa Chong Institution |
| 27x(0!+0!) | Szeto Kah Keong | 8 | Hwa Chong Institution |
| 27*(0!+0!) | Delwin Koh | 8 | Hwa Chong Institution |
| 27*(0!+0!) | Benjamin Low | 8 | Hwa Chong Institution |
| 27*(0!+0!) | Jimmy Madden | 7 | Rohrer M.S. |
| 27(0!+0!) | Kelley Mcintire | 9 | Brookstone |
| (0!+0!)x27 | Ian M | 6 | Parker Middle School |
| 27(0!+0!) | Jessica M | 7 | Mount Olive Middle School |
| 27x(0!+0!) | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| 27*(0!+0!) | Yuxiao Ning | 12 | Hoboken High School |
| 27*(0!+0!) | Ryan Prince | 7 | Rohrer M.S. |
| 27x(0!+0!) | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| 27*(0!+0!) | Shane Reilly | 7 | Roher M.S. |
| 27x(0!+0!) | Nayan Shah | 8 | Hudson Montessori School |
| 27*(0!+0!) | Jeff Spicoli | 7 | Rohrer Ms |
| (0!+0!)*27 | Chong Tjen-Yao | 7 | Hwa Chong Institution |
| 27(0! + 0!) | Elizabeth Wargo | 8 | Hudson Montessori School |
| 27*(0!+0!) | Tan Yi Wei | 7 | Hwa Chong Institution |
| 27(0! + 0!) | John W | 12 | L'anse Creuse High School |
| 27x(0!+0!) | Lim Han Xin | 7 | Hci |
| 27x(0!+0!) | Lee Jun Yi | 8 | Hwa Chong Institution |
| 27*[(0!)+(0!)] | Ng Soon Zhou | 7 | Hwa Chong Institution Highschool |
Please notify Judy Ann Brown of any errors.
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