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: 22

 Solution Name Grade School (2+0!)x(7)+0! Chua Cheng Aik 9 Hwa Chong Institution 7(2+0!)+0! Neal Amos 10 Brookstone School 7*(2+0!)+0! Bob Chen 8 Northwest Junior High 7*(2+0!)+0! Timothy Tay Kai Cheng 8 Hwa Chong Institution 7x(2+0!)+0! Paxton Chia 8 Hwachong Institution (2+0!)x7+0! Khu Boon Tat Daren 9 Hwa Chong Institution (2+0!)x7+0! Tran Ha Duong 9 3h, Hwa Chong Institution 0!+(0!+2)*7 Michael Endick 8 Foothill Middle School 7(2+0!)+0! Sophie Farah 8 Hudson Montessori Middle School (2+0!)*7+0! Amanda Fry 7 Rohrer Ms (2+0!)x7+0! Kam Mao Quan Gabriel 7 Hwa Chong Instituition 7x(2+0!)+0! Chan Tuck Ging 7 Hwa Chong Institution 7*(0!+2)+0! Molly Grasmick 7 Rohrer Ms (0!+2)x7+0! Maggie G. 6 Parker Middle School 7(2+0!)+0! Cara Hudak 8 Hudson Montessori Middle Scholl 7*(2+0!)+0! Lee Zi Jian 1 Hwa Chong Instituition 7x(2+0!)+0! Sim Zhi Jian 8 Hwa Chong Instiution 7*(2+0!)+0! Ng Xu Jie 8 Hwa Chong Institution 7*(2+0!)+0! Lau Wei Jie Jonathan 9 Hwa Chong Institution 7x(2+0!)+0! Tan Song Kai 8 Hwa Chong Institution 7x(2+0!)+(0!) Szeto Kah Keong 8 Hwa Chong Institution 7*(2+0!)+0! Delwin Koh 8 Hwa Chong Institution (2+0!)*7+0! Benjamin Low 8 Hwa Chong Institution 7(2+0!)+0! Jessica M 7 Mount Olive Middle School 7x(2+0!)+0! Margaret M. 6 Parker Middle School 7x(2+0!)+0! Ng Jun Da Nelson 8 Hwa Chong Instituition (0!+2)*7+0! Yuxiao Ning 12 Hoboken High School 7*(2+0!)+0! Ow Zhen Quan 8 Hwa Chong Institution (2+0!)x7+0! Tang Zhuo Hao Ray 7 Hwa Chong Institution 7*(2+0!)+0! Glenn Goh Rongjie 9 Hwa Chong Insituition (7x(0!+2))+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 7x(2+0!)+0! Ang Chong Wei 9 Hwa Chong Institution (2+0!)*7+0! Chong Zhi Wei 7 Hwachong Institution 7*(2+0!)+0! Tan Yi Wei 7 Hwa Chong Institution [7*(2+0!)]+0! Andrew Weindel 7 Rorer M.S. (2+0!)x7+0! Lim Han Xin 7 Hci 7x(2+0!)+0! Shaun Lum Yu Xuan 3 Hwa Chong Institution 7x(2+0!)+0! Hshieh Chyi Yan 7 Hwa Chong Institution [7x(2+0!)]+0! Lee Jun Yi 8 Hwa Chong Institution (2+0!)x7+0! Zhou Yifan 3 Hwa Chong Institution (0!+2)x7+0! Zou Xiang Yu 7 Hwa Chong Institution [2+(0!)]*7+(0!) Xiao Yuting 8 Hwa Chong Institution 7*[2+(0!)]+(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.