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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 |
| 70+2-0 | Kate Ahrens | 7 | Mount Olive Middle School |
| 2-0!+Sqrt(0!+7!) | Chua Cheng Aik | 9 | Hwa Chong Institution |
| 72-0-0 | Neal Amos | 10 | Brookstone School |
| 2!+70-0 | Max Yoong Pao Aun | 7 | Hwa Chong Institution |
| 72-0+0
70+2+0 |
Morgan Batson | 9 | Brookstone School |
| (70+2)+0 | Jerome Bong | 1 | J.F.K. School |
| 72-0-0 | Johnny B. | 6 | Parker Middle School |
| 70+2-0 | Bob Chen | 8 | Northwest Junior High |
| 72-0+0 | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| 72+0+0 | Paxton Chia | 8 | Hwachong Institution |
| 72+0+0 | Hunter Ciuba | 8 | Brookstone |
| 70+0+2 | Amber Coleman | 9 | Brookstone High School |
| 72+0+0 | Manuel Contreras III | 11 | Model Secondary School For The Deaf |
| 72+0+0 | Jackie Cuneo | 7 | Rohrer Ms |
| 2-0!+Sqrt(0!+7!) | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| Sqrt(7!+2-0!)+0! | Michael Endick | 8 | Foothill Middle School |
| 70+2-0 | Tim Freborg | 7 | Hudson Montessori |
| 70+2+0 | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| 70+2+0 | Chan Tuck Ging | 7 | Hwa Chong Institution |
| 72+0+0 | Kevin Griese | 7 | Rohrer Ms |
| 2^0+Sqrt(0!+7!) | Wu Zi Hao | 9 | Hwachong Institution |
| 70+2+0 | Nicholas Heng | 8 | Hwa Chong Institution |
| 72+0+0
70+2+0 |
Yeo Si Heng | 8 | Hwa Chong Instituition |
| 72+0-0 | Angelina Hintze | 6 | John F. Kennedy School |
| 72+0+0 | Cara Hudak | 8 | Hudson Montessori Middle Scholl |
| 70+2+0 | Lim Aik Hwee | 9 | Hwa Chong Institution (High School Section) |
| 72+0+0 | Jared H | 6 | Parker Middle School |
| 70+2+0 | Matt H | 6 | Parker Middle School |
| 70+2-0 | Anthony Illiano | 7 | Rohrer M.S. |
| 72-0-0 | Lee Zi Jian | 8 | Hwa Chong Instituition |
| 72x0!x0! | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| 70+2+0 | Chow Zheng Jie | 9 | Hwa Chong Institution |
| 72+0+0 | Ng Xu Jie | 8 | Hwa Chong Institution |
| 70+02 | Tan Wei Jie | 7 | Hwa Chong Institution |
| 72-0-0 | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| 70+2+0 | Song Cheng Jun | 7 | Hwa Chong Instituition |
| 70+2+0 | Marcus Phoa Junxiong | 9 | Hwa Chong Institution (High School) |
| 72+0+0 | Olivia Kamensky | 8 | Brookstone School |
| 72+0+0 | Tim Kenna | 7 | Rohrer Middle School |
| 70+2+0 | Szeto Kah Keong | 8 | Hwa Chong Institution |
| 72-0-0 | Delwin Koh | 8 | Hwa Chong Institution |
| 72+0+0 | Won Cheng Yi Lewis | 9 | Hwa Chong Institution |
| 2^0+(Sqrt(0!+7!)) | Benjamin Low | 8 | Hwa Chong Institution |
| 72+0+0 | Ashley L | 6 | Parker Middle School |
| 72+0+0 | Luke Mansour | 9 | Brookstone School |
| 70+2+0 | Hannah Marshall | 7 | M.O.M.S. |
| 72+0-0 | John Martin | 11 | Model Secondary School For The Deaf |
| 72+0+0 | William Mathews | 6 | John F. Kenedy School |
| 70+0+2 | Kelley Mcintire | 9 | Brookstone |
| 72-0-0 | Timothy Ng Yi Ming | 8 | Hwa Chong Institution |
| 70+2-0 | Ankit M | 1 | Parker Middle School |
| 72-0-0 | Jessica M | 7 | Mount Olive Middle School |
| 72x0!x0! | Ng Jun Da Nelson | 8 | Hwa Chong Instituition |
| 72+0+0 | Yuxiao Ning | 12 | Hoboken High School |
| 72-0+0 | Brian O. | 7 | Parker Middle School |
| 72+0-0 | Cam O | 6 | Parker Middle Shcool |
| 70+2+0 | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| 72+0+0 | Glenn Goh Rongjie | 9 | Hwa Chong Instituition |
| 72-0-0 | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| 72+0-0 | Caylie Scherba | 8 | Hudson Montessori Middle School |
| 72+0+0 | Selena Starbard | 7 | Rohrer M.S. |
| 72-0-0 | Rachel Stewart | 7 | Mount Olive Middle School |
| 70+2+0 | Katie S | 6 | Parker Middle School |
| 72+(0x0) | Natalie V. | 6 | Parker Middle School |
| 70+2+0 | Ang Chong Wei | 9 | Hwa Chong Institution |
| 72+0+0 | Chong Zhi Wei | 7 | Hwachong |
| 72+0+0 | Kenneth Ng Yu Wei | 7 | Hwa Chong Institution |
| 70+2-0 | Tan Yi Wei | 7 | Hwa Chong Institution |
| 70+0!+0! | Jerrold Au Ying Xian | 9 | Hwa Chong Institution |
| 70+0+2 | Lim Han Xin | 7 | Hci |
| 72+0+0
70+2+0 |
Xiong Xingyu | 7 | Hwa Chong Institution |
| 72+0+0 | Hshieh Chyi Yan | 7 | Hwa Chong Institution |
| 70+2-0 | Lee Jun Yi | 8 | Hwa Chong Institution |
| 2^0+Sqrt(0!+7!) | Low Kah Yi | 9 | Hwa Chong Institution |
| 70+2-0 | Zhou Yifan | 3 | Hwa Chong Institution |
| 70+2+0 | Zou Xiang Yu | 7 | Hwa Chong Institution |
| 70+2+0 | Xiao Yuting | 8 | Hwa Chong Institution |
| 72+0+0 | Ng Soon Zhou | 7 | Hwa Chong Institution Highschool |
| 70+0+2 | Yu Zhou | 1 | Hwa Chong Institution |
| 72-0-0 | Andre | 8 | St. Gabes |
| 0x0+72 | Chrissa | 6 | John F. Kennedy School |
| (70+2)+0 | Melissah | 6 | Parker Middle School |
Please notify Judy Ann Brown of any errors.
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