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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 |
| (0!/.02)-7 | Brian Almand | 7 | Rohrer Ms |
| (2+0!)!x7+0! | Neal Amos | 10 | Brookstone School |
| (0!/.02)-7 | Gina Bossi | 7 | Rohrer Middle School |
| 0!/.02-7 | Bob Chen | 8 | Northwest Junior High |
| ((2+0!)!*7)+0! | Timothy Tay Kai Cheng | 8 | Hwa Chong Institution |
| 7x(2+0!)!+0! | Paxton Chia | 8 | Hwachong Institution |
| 0!/.02-7 | Kelly Clark | 7 | Rohrer Middle School |
| (2+0!)!x7+0! | Khu Boon Tat Daren | 9 | Hwa Chong Institution |
| (2 + 0!)! * 7 +0! | Michael Endick | 8 | Foothill Middle School |
| (2+0!)!x7+0! | Kam Mao Quan Gabriel | 7 | Hwa Chong Instituition |
| (2+0!)!x7+0! | Chan Tuck Ging | 7 | Hwa Chong Institution |
| (2+0!)!*7+0! | Lee Zi Jian | 8 | Hwa Chong Instituition |
| (2+0!)!x7+0! | Sim Zhi Jian | 8 | Hwa Chong Instiution |
| (2+0!)!*7+0! | Ng Xu Jie | 8 | Hwa Chong Institution |
| (2+0!)!*7+0! | Tan Song Kai | 8 | Hwa Chong Institution |
| 7x(0!+2)!+0! | Szeto Kah Keong | 8 | Hwa Chong Institution |
| (2+0!)!*7+0! | Delwin Koh | 8 | Hwa Chong Institution |
| (2+0!)!*7+0! | Benjamin Low | 8 | Hwa Chong Institution |
| (0!/.02)-7 | Ow Zhen Quan | 8 | Hwa Chong Institution |
| (2+0!)!x7+0! | Tang Zhuo Hao Ray | 7 | Hwa Chong Institution |
| ((2+0!)!x7)+0! | Benjamin Lin Ruiyang | 1 | Hwa Chong Institution |
| (0!/.02)-7 | Brandi Rusk | 7 | Rohrer Middle School |
| (0!/.02)-7 | Adam Santana | 7 | Rohrer Ms |
| 7x(2+0!)!+0! | Ang Chong Wei | 9 | Hwa Chong Institution |
| (2+0!)!*7+0! | Chong Zhi Wei | 7 | Hwachong |
| (2+0!)!x7+0! | Lim Han Xin | 7 | Hci |
| 0!+(2+0!)!x7 | Shaun Lum Yu Xuan | 3 | Hwa Chong Institution |
| (2+0!)!x7+0! | Lee Jun Yi | 8 | Hwa Chong Institution |
| (2+0!)!x7+0! | Zhou Yifan | 3 | Hwa Chong Institution |
| {[2+(0!)]!}x7+(0!) | Xiao Yuting | 8 | Hwa Chong Institution |
| [[2+(0!)]!]*7+(0!) | Ng Soon Zhou | 7 | Hwa Chong Institution Highschool |
| (2+0!)!*7+0! | Yu Zhou | 1 | Hwa Chong Institution |
Please notify Judy Ann Brown of any errors.
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