Math Forum || K-12 Math Puzzles || Problems of the Week || Student Center

 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.

## STUDENT SOLUTIONS: 68

 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 70-2-0 Neal Amos 10 Brookstone School 70-2-0 Morgan Batson 9 Brookstone School 70-2-0 Johnny B. 6 Parker Middle School 70-2-0 Cory Cellucci 7 Rohrer Ms 70-2+0 Brandon Cepas 7 Rohrer Ms 70-2-0 Bob Chen 8 Northwest Junior High 70-2-0 Timothy Tay Kai Cheng 8 Hwa Chong Institution -2-0!+Sqrt(0!+7!) 70+0-2 (70-2)/0! Khu Boon Tat Daren 9 Hwa Chong Institution 70-2+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 70-0-2 Chan Tuck Ging 7 Hwa Chong Institution -2-0!+Sqrt(0!+7!) Wu Zi Hao 9 Hwachong Institution 70-2-0 Nicholas Heng 8 Hwa Chong Institution 70-2+0 Yeo Si Heng 8 Hwa Chong Instituition 70-2-0 Cara Hudak 8 Hudson Montessori Middle Scholl 70-2-0 Lim Aik Hwee 9 Hwa Chong Institution (High School Section) 70-2+0 Matt H 6 Parker Middle School 70-2-0 Lee Zi Jian 8 Hwa Chong Instituition 70-2+0 Sim Zhi Jian 8 Hwa Chong Instiution 70-2-0 Ng Xu Jie 8 Hwa Chong Institution 70-02 Tan Wei Jie 7 Hwa Chong Institution 70-2+0 Lau Wei Jie Jonathan 9 Hwa Chong Institution 70-2+0 Marcus Phoa Junxiong 9 Hwa Chong Institution (High School) 70-2-0 Tan Song Kai 8 Hwa Chong Institution 70-2-0 Szeto Kah Keong 8 Hwa Chong Institution 70-2-0 Delwin Koh 8 Hwa Chong Institution 70-02 Carolina Kohn 9 Mssd 70-2+0 Won Cheng Yi Lewis 1 Hwa Chong Institution -2-0!+(Sqrt(0!+7!)) Benjamin Low 8 Hwa Chong Institution 70-2+0 Ashley L 6 Parker Middle School 70-2+0 Luke Mansour 9 Brookstone School 70-2+0 Hannah Marshall 7 M.O.M.S. 70-02 Timothy Ng Yi Ming 8 Hwa Chong Institution 70-2+0 Ian M 6 Parker Middle School 70-2-0 Jessica M 7 Mount Olive Middle School 70-2+0 Ng Jun Da Nelson 8 Hwa Chong Instituition 70-2-0 Yuxiao Ning 12 Hoboken High School 70-2-0 Tang Zhuo Hao Ray 7 Hwa Chong Institution 70-2-0 Glenn Goh Rongjie 9 Hwa Chong Instituition 70-2-0 Benjamin Lin Ruiyang 1 Hwa Chong Institution 70-2+0 Alivia Spinozzi 7 Rorher Middle School 70-2+0 Katie S 6 Parker Middle School 70-2+0 Ang Chong Wei 9 Hwa Chong Institution 70-2+0 Kenneth Ng Yu Wei 7 Hwa Chong Institution 70-2-0 Tan Yi Wei 7 Hwa Chong Institution 70-2-0 Lim Han Xin 7 Hci 70-2+0 Xiong Xingyu 7 Hwa Chong Institution 70-2-0 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 70-0-2 Zou Xiang Yu 7 Hwa Chong Institution 70-2-0 Xiao Yuting 8 Hwa Chong Institution 70-2-0 Ng Soon Zhou 7 Hwa Chong Institution Highschool 70-2-0 Yu Zhou 1 Hwa Chong Institution 70-2-0 Alicia Z. 6 Parker Middle School 70-2+0 Chrissa 6 John F. Kennedy School 70-2.0 Nikki 6 Parker Middle School

Please notify Judy Ann Brown of any errors.