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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 |
| (2+0!)!(0!+7) | Chua Cheng Aik | 9 | Hwa Chong Institution |
| (7^2)-(0^0) | Brian Almand | 7 | Rohrer Ms |
| 7^2-0!+0 | Neal Amos | 10 | Brookstone School |
| 7^2-0!-0 | Collin Andrew | 7 | Rohrer G. Middle School |
| 7^2-0^0 | Paulina Baumann | 7 | Rohrer Middle School |
| 7^2-0!-0 | Jamie Caputo | 7 | Rohrer Middle School |
| 7^2-0!-0 | Bob Chen | 8 | Northwest Junior High |
| 7^2-0!-0 | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| 7^2-(0!+0) | Kevin D'amico | 7 | Rohrer Middle School |
| (2+0!)!x(0!+7) | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| 7^2-0^0 | Mae D | 6 | Parker Middle School |
| 7^2-0!+0 | Michael Endick | 8 | Foothill Middle School |
| 7^2-0^0 | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| 7^2-0-0! | Chan Tuck Ging | 7 | Hwa Chong Institution |
| (2+0!)!*(0!+7) | Wu Zi Hao | 9 | Hwachong Institution |
| (7^2)-(0^0) | Nicholas Heng | 8 | Hwa Chong Institution |
| 7^2-0!-0 | Cara Hudak | 8 | Hudson Montessori Middle Scholl |
| 7^2+0-0! | Lim Aik Hwee | 9 | Hwa Chong Institution (High School Section) |
| 7^2-0!-0 | Lee Zi Jian | 8 | Hwa Chong Instituition |
| 7^2-0^0 | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| (7^2)-(0^0) | Chow Zheng Jie | 9 | Hwa Chong Institution |
| 7^2-0-0! | Ng Xu Jie | 8 | Hwa Chong Institution |
| (7+0)^2-0! | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| 7^2-0^0 | Evan J. | 6 | Parker Middle School |
| 7^2-0!+0 | Tan Song Kai | 8 | Hwa Chong Institution |
| 7^2-0!-0 | Szeto Kah Keong | 8 | Hwa Chong Institution |
| 7^2 -0! -0 | Delwin Koh | 8 | Hwa Chong Institution |
| 7^2-0-0! | Benjamin Low | 8 | Hwa Chong Institution |
| 7^2-0!+0 | Kelley Mcintire | 9 | Brookstone |
| 7^2-0!-0 | Jessica M | 7 | Mount Olive Middle School |
| (7+0!)((0!+2)!) | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| 7^2-0!-0 | Yuxiao Ning | 12 | Hoboken High School |
| 7^2-0!+0 | Cam O | 6 | Parker Middle Shcool |
| 7^2-0^0 | Siobhan O's | 6 | Parker Middle School |
| (7^2)-0!*0! | Ow Zhen Quan | 8 | Hwa Chong Institution |
| 7^2+0-0! | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| (7^2)-0!-0 | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| 7^2-0^0 | Rachael Samaroo | 7 | Rohrer Middle School |
| 7^2-0!-0 | Caylie Scherba | 8 | Hudson Montessori Middle School |
| 7^2-0!+0 | Nayan Shah | 8 | Hudson Montessori School |
| 7^2-0^0 | Alivia Spinozzi | 7 | Rorher Middle School |
| 7^2-0^0 | Katie S | 6 | Parker Middle School |
| 7^2-0^0 | Natalie V. | 6 | Parker Middle School |
| 7^2-0!-0 | Ang Chong Wei | 9 | Hwa Chong Institution |
| 7^2+0-0! | Chong Zhi Wei | 7 | Hwachong |
| 7^2-0!+0 | Tan Yi Wei | 7 | Hwa Chong Institution |
| 7^2-0!+0 | Jerrold Au Ying Xian | 9 | Hwa Chong Institution |
| 7^2-0!-0 | Lim Han Xin | 7 | Hci |
| 7^2-(0!+0) | Lee Jun Yi | 8 | Hwa Chong Institution |
| (2+0!)!*(0!+7) | Low Kah Yi | 9 | Hwa Chong Institution |
| 7^2-0!-0 | Zhou Yifan | 3 | Hwa Chong Institution |
| 7^2-(0!)-0 | Xiao Yuting | 8 | Hwa Chong Institution |
| (7^2)-(0!)-0 | Ng Soon Zhou | 7 | Hwa Chong Institution Highschool |
| 7^2+0-0! | Chrissa | 6 | John F. Kennedy School |
Please notify Judy Ann Brown of any errors.
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