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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!)x7 | Chua Cheng Aik | 9 | Hwa Chong Institution |
| 7^2+0+0 | Collin Andrew | 7 | Rohrer G. Middle School |
| (7^2)+(0x0) | Max Yoong Pao Aun | 7 | Hwa Chong Institution |
| 7^2-0+0 | Neal Amos | 10 | Brookstone School |
| 7^2-0-0 | Marianne A | 6 | Parker Middle School |
| (7^2)+0+0 | Jerome Bong | 1 | J.F.K. 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 | Calvin Sim Poh Chuan | 12 | Hwa Chong Institution |
| 7^2+0+0 | Hunter Ciuba | 8 | Brookstone |
| 7^2+(0+0) | Kevin D'amico | 7 | Rohrer Middle School |
| ((2+0!)!+0!)x7 | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| 7^2+0+0 | Noah Delius | 6 | John F. Kennedy School, Berlin, Germany |
| 7^2+0+0 | Michael Endick | 8 | Foothill Middle School |
| [(2+0!)!+0!]x7 | Lim Yu Sheng Fabian | 9 | Hwa Chong Institution |
| 7^2-0!+0! | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| (0*0)+7^2 | Jake Garn | 7 | Rohrer M.S. |
| 7^2-0-0 | Chan Tuck Ging | 7 | Hwa Chong Institution |
| 7^2+0+0 | Rebecca Groff | 7 | Rohrer Ms |
| 7^2+0+0 | Maggie G. | 6 | Parker Middle School |
| ((2+0!)!+0!)*7 | Wu Zi Hao | 9 | Hwachong Institution |
| (7^2)-0-0 | Nicholas Heng | 8 | Hwa Chong Institution |
| 7^2+0+0 | Angelina Hintze | 6 | John F. Kennedy School |
| 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 | Karen Israel | 7 | Roher Ms |
| 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 |
| 07^02 | Tan Wei Jie | 7 | Hwa Chong Institution |
| (7+0+0)^2 | Lau Wei Jie Jonathan | 9 | Hwa Chong Institution |
| 7^2+0+0 | Marcus Phoa Junxiong | 9 | Hwa Chong Institution (High School) |
| 7^2x0^0 | Evan J. | 6 | Parker Middle School |
| 7^2-0-0 | Tan Song Kai | 8 | Hwa Chong Institution |
| 7^2+0+0 | Tim Kenna | 7 | Rohrer Middle School |
| 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 | Won Cheng Yi Lewis | 9 | Hwa Chong Institution |
| 7^2-0-0 | Benjamin Low | 8 | Hwa Chong Institution |
| 7^2+0+0 | Ashley L | 6 | Parker Middle School |
| 7^2+0+0 | Luke Mansour | 9 | Brookstone School |
| 7^2+0*0 | Hannah Marshall | 7 | M.O.M.S. |
| 7^2+0+0 | Kelley Mcintire | 9 | Brookstone |
| 7^2+0+0 | Timothy Ng Yi Ming | 8 | Hwa Chong Institution |
| 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 | Cam O | 6 | Parker Middle Shcool |
| 7^2+(0+0) | Siobhan O's | 6 | Parker Middle School |
| 7^2+0+0 | Andy Chan Boon Pang | 8 | Hwa Chong Institution |
| (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 Insituition |
| (7^2)-0-0 | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| 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 | Sandra Syhalath | 7 | Rohrer M.S. |
| 7^2+0+0 | Jennings S-M | 6 | Parker Middle School |
| 7^2+0+0 | Katie S | 6 | Parker Middle School |
| (7^2)-0-0 | Ng Jian Tong | 9 | Hwa Chong Institution |
| 7^2+0-0 | Mayank Totloor | 8 | M.W.L.S.S |
| 7^2+0-0 | Brian Voegler | 9 | Brookstone School |
| 7^2+(0x0) | Natalie V. | 6 | Parker Middle School |
| 7^2+0+0 | Megan Walter | 7 | Rohrer Ms |
| 7^2+0+0 | Ang Chong Wei | 9 | Hwa Chong Institution |
| 7^2+0+0 | Chong Zhi Wei | 7 | Hwachong |
| 7^2+0+0 | Kenneth Ng Yu Wei | 7 | Hwa Chong Institution |
| 7^2+0+0 | Tan Yi Wei | 7 | Hwa Chong Institution |
| 7^2+0+0 | Leah W. | 6 | Parker Middle |
| 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 | Hshieh Chyi Yan | 7 | Hwa Chong Institution |
| 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+0+0)^2 | Zou Xiang Yu | 7 | 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 | Alicia Z. | 6 | Parker Middle School |
| 7^2-0-0 | Andre | 8 | St. Gabes |
| 7^2+0-0 | Chrissa | 6 | John F. Kennedy School |
| 7^2+0+0 | Jared | 6 | Parker Middle School |
| 7^2+0+0 | 5th Resource Atwf | 5 | Walton Farm |
Please notify Judy Ann Brown of any errors.
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