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: 67

 Solution Name Grade School 70-2-0! Kate Ahrens 7 Mount Olive Middle School 70-2-0! Neal Amos 10 Brookstone School 70-2-0! Gina Bossi 7 Rohrer Middle School 70-2-0! Cory Cellucci 7 Rohrer Ms 70-2-0! Bob Chen 8 Northwest Junior High 70-2-0! Timothy Tay Kai Cheng 8 Hwa Chong Institution 70-0!-2 Khu Boon Tat Daren 9 Hwa Chong Institution 70-2-0! Michael Endick 8 Foothill Middle School (70-2)-0! Timothy Esposito 7 Rohrer Middle School 70-2-0! John E. 10 L'anse Creuse High School 70-2-0! Kam Mao Quan Gabriel 7 Hwa Chong Instituition 70-0!-2 Chan Tuck Ging 7 Hwa Chong Institution 70-2-0! Maggie G. 6 Parker Middle School 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 70-2-0! Lau Wei Jie Jonathan 9 Hwa Chong Institution 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 70-2-0! Benjamin Low 8 Hwa Chong Institution 70-(2+0!) Jimmy Madden 7 Rohrer M.S. 70-(2+0!) Hannah Marshall 7 M.O.M.S. 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!) Nelson Remetz 7 Rohrer Ms 70-2-0! Glenn Goh Rongjie 9 Hwa Chong Instituition 70-2-0! Benjamin Lin Ruiyang 1 Hwa Chong Institution 70-2-0! Ang Wee Shuen 1 Hwa Chong Institution -2-0!+70 Ang Chong Wei 9 Hwa Chong Institution 70-2-0! Tan Yi Wei 7 Hwa Chong Institution 70-2-0! Lim Han Xin 7 Hci 70-0!-2 Lee Jun Yi 8 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 70-2-(0!) Ng Soon Zhou 7 Hwa Chong Institution Highschool 70-2-0! Yu Zhou 1 Hwa Chong Institution 70-2-0! Chrissa 6 John F. Kennedy School

Please notify Judy Ann Brown of any errors.