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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 |
| Sqrt(0!+7!)-20
7^2+0!+0! |
Chua Cheng Aik | 9 | Hwa Chong Institution |
| 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! | Bob Chen | 8 | Northwest Junior High |
| 7^2+0!+0! | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| (7^2)+0!+0! | Paxton Chia | 8 | Hwachong Institution |
| 7^2+0!+0! | Nate C. | 6 | Parker Middle School |
| -20+Sqrt(0!+7!) | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| 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 |
| (7^2)+(0!+0!) | Kevin Griese | 7 | Rohrer Ms |
| 7^2+0!+0! | Maggie G. | 6 | Parker Middle School |
| -20+Sqrt(0!+7!) | Wu Zi Hao | 9 | Hwachong Institution |
| (7^2)+0!+0! | Jan Eric Hellenbrand | 6 | John F. Kennedy |
| (7^2)+0!+0! | Nicholas Heng | 8 | Hwa Chong Institution |
| 7^2+(0!+0!) | Emily Himles | 7 | Rohrer Ms |
| 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! | Matt H | 6 | Parker Middle School |
| 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! | Ng Xu Jie | 8 | Hwa Chong Institution |
| 7^2+0!+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!) | Tim Kenna | 7 | Rohrer Middle School |
| 7^2+0!+0! | Won Cheng Yi Lewis | 9 | Hwa Chong Institution |
| 7^2+0!+0! | Alexa Lindsay | 7 | Rohrer Middle School |
| 7^2+0!+0! | Benjamin Low | 8 | Hwa Chong Institution |
| 7^2+(0!+0!) | Jimmy Madden | 7 | Rohrer M.S. |
| (7^2)+(0!+0!) | Hannah Marshall | 7 | M.O.M.S. |
| 7^2+0!+0! | Kelley Mcintire | 9 | Brookstone |
| 7^2+0!+0! | Ian M | 6 | Parker Middle School |
| 7^2+0!+0! | Jessica M | 7 | Mount Olive Middle School |
| 7^2+0!+0! | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| 7^2+0!+0! | Yuxiao Ning | 12 | Hoboken High School |
| 7^2+0!+0! | Joslyn N | 12 | L'anse Creuse High School |
| 7^2+0!+0! | Zack O'connell | 7 | Rohrer Ms |
| 7^2+0!+0! | Cam O | 6 | Parker Middle Shcool |
| 7^2+0!+0! | Vanessa O'c | 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! | Glenn Goh Rongjie | 9 | Hwa Chong Instituition |
| (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^(0!+0!)+2 | Nayan Shah | 8 | Hudson Montessori 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 |
| -20+Sqrt(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! | Yu Zhou | 1 | Hwa Chong Institution |
| 7^2+0!+0! | Chrissa | 6 | John F. Kennedy School |
| 7^2+0!+0! | Jared | 6 | Parker Middle School |
Please notify Judy Ann Brown of any errors.
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