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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 |
| 27+0!+0! | Kate Ahrens | 7 | Mount Olive Middle School |
| 27+0!+0! | Chua Cheng Aik | 9 | Hwa Chong Institution |
| 27+0!+0! | Neal Amos | 10 | Brookstone School |
| 27+0!+0! | Bob Chen | 8 | Northwest Junior High |
| 27+0!+0! | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| 27+0!+0! | Paxton Chia | 8 | Hwachong Institution |
| 27+0!+0! | Hunter Ciuba | 8 | Brookstone |
| 27+0!+0! | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| 27+(0!+0!) | Kathleen Duffy | 7 | Rohrer Middle School |
| 27+0!+0! | Tran Ha Duong | 9 | 3h, Hwa Chong Institution |
| 27+0!+0! | Michael Endick | 8 | Foothill Middle School |
| 27+0!+0! | Tim Freborg | 7 | Hudson Montessori |
| 27+0!+0! | Chan Tuck Ging | 7 | Hwa Chong Institution |
| 27+0!+0! | Kevin Griese | 7 | Rohrer Ms |
| 27+0!+0! | Nicholas Heng | 8 | Hwa Chong Institution |
| 27+0!+0! | Matt H | 6 | Parker Middle School |
| 27+0!+0! | Lee Zi Jian | 8 | Hwa Chong Instituition |
| 27+(0!+0!) | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| 27+0!+0! | Ng Xu Jie | 8 | Hwa Chong Institution |
| 27+0!+0! | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| 27+0!+0! | Tan Song Kai | 8 | Hwa Chong Institution |
| 27+0!+0! | Olivia Kamensky | 8 | Brookstone School |
| 27+(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! | Kelley Mcintire | 9 | Brookstone |
| 27+0!+0! | Jessica M | 7 | Mount Olive Middle School |
| 27+0!+0! | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| 27+0!+0! | Yuxiao Ning | 12 | Hoboken High School |
| 27+0!+0! | Janey Perry | 7 | Rohrer Ms |
| 27+0!+0! | Ow Zhen Quan | 8 | Hwa Chong Institution |
| 27+0!+0! | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| 27+(0!+0!) | Shane Reilly | 7 | Roher M.S. |
| 27+0!+0! | Glenn Goh Rongjie | 9 | Hwa Chong Insituition |
| 27+0!+0! | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| 27+0!+0! | Brandi Rusk | 7 | Rohrer Middle School |
| 27+0!+0! | Caylie Scherba | 8 | Hudson Montessori Middle School |
| 27+0!+0! | Nayan Shah | 8 | Hudson Montessori School |
| 27+0!+0! | Rachel Stewart | 7 | Mount Olive Middle School |
| 27+0!+0! | Scott Tully | 6 | Parker Middle School |
| 27+0!+0! | Elizabeth Wargo | 8 | Hudson Montessori School |
| 27+0!+0! | Chong Zhi Wei | 7 | Hwa Chong Insitution |
| 27+0!+0! | Tan Yi Wei | 7 | Hwa Chong Institution |
| 27+0!+0! | Abby W. | 6 | Parker Middle School |
| 27+0!+0! | Jerrold Au Ying Xian | 9 | Hwa Chong Institution |
| 27+0!+0! | Lim Han Xin | 7 | Hci |
| 27+0!+0! | Hshieh Chyi Yan | 7 | Hwa Chong Institution |
| 27+0!+0! | Lee Jun Yi | 8 | Hwa Chong Institution |
| 27+0!+0! | Zhou Yifan | 3 | Hwa Chong Institution |
| 27+(0!)+(0!) | Xiao Yuting | 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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