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: 48

 Solution Name Grade School (2+0!)!(0!+7) Chua Cheng Aik 9 Hwa Chong Institution (7^2)-(0^0) Brian Almand 7 Rohrer Ms 7^2-0!+0 Neal Amos 10 Brookstone School 7^2-0!-0 Collin Andrew 7 Rohrer G. Middle School 7^2-0^0 Paulina Baumann 7 Rohrer Middle School 7^2-0!-0 Jamie Caputo 7 Rohrer Middle 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) Kevin D'amico 7 Rohrer Middle School (2+0!)!x(0!+7) Khu Boon Tat Daren 9 Hwa Chong Institution 7^2-0^0 Mae D 6 Parker Middle School 7^2-0!+0 Michael Endick 8 Foothill Middle School 7^2-0^0 Kam Mao Quan Gabriel 7 Hwa Chong Instituition 7^2-0-0! Chan Tuck Ging 7 Hwa Chong Institution (2+0!)!*(0!+7) Wu Zi Hao 9 Hwachong Institution (7^2)-(0^0) Nicholas Heng 8 Hwa Chong Institution 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 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 (7+0)^2-0! Lau Wei Jie Jonathan 9 Hwa Chong Institution 7^2-0^0 Evan J. 6 Parker Middle School 7^2-0!+0 Tan Song Kai 8 Hwa Chong Institution 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! Benjamin Low 8 Hwa Chong Institution 7^2-0!+0 Kelley Mcintire 9 Brookstone 7^2-0!-0 Jessica M 7 Mount Olive Middle School (7+0!)((0!+2)!) 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! Ow Zhen Quan 8 Hwa Chong Institution 7^2+0-0! Tang Zhuo Hao Ray 7 Hwa Chong Institution (7^2)-0!-0 Benjamin Lin Ruiyang 1 Hwa Chong Institution 7^2-0^0 Rachael Samaroo 7 Rohrer Middle School 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 Alivia Spinozzi 7 Rorher Middle School 7^2-0^0 Katie S 6 Parker Middle School 7^2-0^0 Natalie V. 6 Parker Middle School 7^2-0!-0 Ang Chong Wei 9 Hwa Chong Institution 7^2+0-0! Chong Zhi Wei 7 Hwachong 7^2-0!+0 Tan Yi Wei 7 Hwa Chong Institution 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) 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 7^2-(0!)-0 Xiao Yuting 8 Hwa Chong Institution (7^2)-(0!)-0 Ng Soon Zhou 7 Hwa Chong Institution Highschool 7^2+0-0! Chrissa 6 John F. Kennedy School

Please notify Judy Ann Brown of any errors.