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: 11

 Solution Name Grade School 7+2+0!+0! Kate Ahrens 7 Mount Olive Middle School 2+0!+0!+7 Chua Cheng Aik 9 Hwa Chong Institution 2+7+0!+0! Neal Amos 10 Brookstone School (7+2)+(0!+0!) Janine A. 6 Parker Middle School 2+7+0!+0! Anton Baker 6 John-F-Kennedy School (7-0!)x2-0! George Bret 9 Christian High School 7+2+0!+0! Justen B 6 Parker Middle School 7+2+0!+0! Bob Chen 8 Northwest Junior High 7+2+0!+0! Timothy Tay Kai Cheng 8 Hwa Chong Institution 2+0!+0!+7 Paxton Chia 8 Hwachong Institution 0!+0!+2+7 Hunter Ciuba 8 Brookstone 2+0!+0!+7 2(0!+0!)+7 Khu Boon Tat Daren 9 Hwa Chong Institution 7+2+(0!+0!) Noah Delius 6 John F. Kennedy School, Berlin, Germany 7+2+0!+0! Tran Ha Duong 9 3h, Hwa Chong Institution 7+2+0!+0! David D 6 Parker Middle School 2+7+0!+0! Mae D 6 Parker Middle School 2+0!+0!+7 Michael Endick 8 Foothill Middle School 7+2+0!+0! Sophie Farah 8 Hudson Montessori Middle School 7+2+0!+0! Tim Freborg 7 Hudson Montessori 2+7+0!+0! Sam F 6 Parker Middle School 2+7+0!+0! Kam Mao Quan Gabriel 7 Hwa Chong Instituition 7+2+(0!)+(0!) Chan Tuck Ging 7 Hwa Chong Institution 2+7+0!+0! Aly G. 6 Parker Middle Shcool 2+0!+0!+7 Wu Zi Hao 9 Hwachong Institution 7+0!+0!+2 Nicholas Heng 8 Hwa Chong Institution 2+7+0!+0! Yeo Si Heng 8 Hwa Chong Instituition (7+2)+0!+0! Angelina Hintze 6 John F. Kennedy School 2+0!+0!+7 Cara Hudak 8 Hudson Montessori Middle Scholl 2+0!+0!+7 Clark Hudnall 9 Alamo Heights High School 2+0!+0!+7 Lim Aik Hwee 9 Hwa Chong Institution (High School Section) 0!+0!+2+7 Olivia H 6 Parker Middle School 7+2+0!+0! Lee Zi Jian 8 Hwa Chong Instituion 7+2+0!+0! Sim Zhi Jian 8 Hwa Chong Instiution 7+0!+2!+0! Ng Xu Jie 8 Hwa Chong Institution 7+2+0!+0! Lau Wei Jie Jonathan 9 Hwa Chong Institution 7+2+0!+0! Tim J. 6 Parker Middle School 7+2+0!+0! Tan Song Kai 8 Hwa Chong Institution 0!+0!+7+2 Olivia Kamensky 8 Brookstone School 7+2+(0!)+(0!) Szeto Kah Keong 8 Hwa Chong Institution 7+2+0!+0! Delwin Koh 8 Hwa Chong Institution 7+0!+2+0! Chris Langum 7 Rohrer Ms 7+2+0!+0! Gannon Lavins 7 Hudson Montessori School 7+2+0!+0! Won Cheng Yi Lewis 9 Hwa Chong Institution (2!+0!+0!)+7 Benjamin Low 8 Hwa Chong Institution 2+7+0!+0! William Mathews 6 John F. Kenedy School 2!+7+0!+0! Kelley Mcintire 9 Brookstone 7+2+0!+0! Connor M. 6 Parker 7+2+0!+0! Jessica M 7 Mount Olive Middle School 2+7+0!+0! Margaret M. 6 Parker Middle School 2+7+0!+0! Olivia M 6 Parker Middle School 7+0!+2-0! Ng Jun Da Nelson 8 Hwa Chong Instituition 2+7+0!+0! Yuxiao Ning 12 Hoboken High School 7+2+0!+0! Cam O 6 Parker Middle School 7+2+0!+0! Emily O 6 Parker Middle School 7+2+0!+0! Vanessa O'c 6 Parker Middle School 2+0!+0!+7 Ow Zhen Quan 8 Hwa Chong Institution 7+0!+0!+2 Tang Zhuo Hao Ray 7 Hwa Chong Institution 7+2+0!+0! Adam Roenberg 7 Hudson Montessori School 2+0!+0!+7 Glenn Goh Rongjie 9 Hwa Chong Insituition 7+2+0!+0! Benjamin Lin Ruiyang 1 Hwa Chong Institution 7+2+0!+0! Brandi Rusk 7 Rohrer Middle School 2+7+0!+0! Caylie Scherba 8 Hudson Montessori Middle School 2+0!+7+0! Nayan Shah 8 Hudson Montessori School 2+0!+0!+7 Darren Toh 9 Hwa Chong Institution 7+0!+2+0! Henry Trimpe 1 Hudson Montessori School 0!+7+2+0! Scott Tully 6 Parker Middle School 0!+0!+7+2 Kathryn V 6 Parker Middle School 2+7+0!+0! Elizabeth Wargo 8 Hudson Montessori School 2+0!+0!+7 Ang Chong Wei 9 Hwa Chong Institution 7+2+0!+0! Chong Zhi Wei 7 Hwachong Institution 7+2+0!+0! Tan Yi Wei 7 Hwa Chong Institution 2(0!+0!)+7 Maung Thet Naing Win 7 Hwa Chong Institution (0!+0!)*2+7 Steven Winklosky 6 Christ The Divine Techer School 2+0!+0!+7 Han Xiaoxiao 9 Hwa Chong Institution 2+0!+0!+7 Lim Han Xin 7 Hci 2+0!+0!+7 Shaun Lum Yu Xuan 3 Hwa Chong Institution 7+2+0!+0! Hshieh Chyi Yan 7 Hwa Chong Institution 7+2+0!+0! Chan Shen Yee 4 Hwa Chong Institution 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 2+0!+0!+7 Zou Xiang Yu 7 Hwa Chong Institution 7+2+(0!)+(0!) Xiao Yuting 8 Hwa Chong Institution 2+(0!)+(0!)+7 Ng Soon Zhou 7 Hwa Chong Institution Highschool 2+7+0!+0! Yu Zhou 1 Hwa Chong Institution 7+2+0!+0! Chrissa 6 John F. Kennedy School 2x(0!+0!)+7 Limjingxi 9 Hwachong Institution 2+0!+0!+7 NergüL 10 ÖZel Fatih Sultan Lisesi 2+0!+0!+7 Yuanxi 9 Hwa Chong Institution

Please notify Judy Ann Brown of any errors.