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: 10

 Solution Name Grade School 2*0!+0!+7 Merime Ahmed 11 Mssd 7+2+0!+0 Kate Ahrens 7 Mount Olive Middle School 2+0!+0+7 Chua Cheng Aik 9 Hwa Chong Institution 7+2+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+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 (7+2)+(0!-0) Trace Chon 9 Christian High School 7+2+(0^0) Calvin Sim Poh Chuan 12 Hwa Chong Institution 0^0+2+7 Hunter Ciuba 8 Brookstone 7+2+0^0 David C 6 Parker Middle School 2+0!+0+7 Khu Boon Tat Daren 9 Hwa Chong Institution 7+0+2+(0!) Noah Delius 6 John F. Kennedy School, Berlin, Germany 2+0^0+7 Tran Ha Duong 9 3h, Hwa Chong Institution 7+2+(2^0) Ahmed Dyaa 12 Maali El Salam 7+2+0^0 Erica 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 2+0^0+7 Lim Yu Sheng Fabian 9 Hwa Chong Institution 7+2+0!-0 Tim Freborg 7 Hudson Montessori 7+2+0!+0 Sam F 6 Parker Middle School 0^0+7+2 Zack 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 7+2+0!+0 Michael Goldstein 9 Alamo Heights High School 2+7+0!+0 Aly G. 6 Parker Middle Shcool 0!+7+2x0! Maggie G. 6 Parker Middle School 2+0!+0+7 Wu Zi Hao 9 Hwachong Institution 7+2+(0^0) Nicholas Heng 8 Hwa Chong Institution (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 Lim Aik Hwee 9 Hwa Chong Institution (High School Section) 7+2+0!+0 Lee Zi Jian 8 Hwa Chong Instituion 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+2+0!+0 Lau Wei Jie Jonathan 9 Hwa Chong Institution 0^0+7+2 Marcus Phoa Junxiong 9 Hwa Chong Institution (High School) 0^0+2+7 Tim J. 6 Parker Middle School 7+2+0!+0 Tan Song Kai 8 Hwa Chong Institution (7+2)+0!+0 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+2+0^0 Geena K. 6 Parker Middle School 2/(0!)+7+0! 7+0^0+2 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 (2+0!)-0+7 Ella Medicus 8 Hudson Montessori School 0^0+7+2 Brendan M. 6 Parker Middle School 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 0^0+2+7 Monie M 6 Parker Middle School 0^0+2+7 Natalie M. 6 Parker Middle School 2+7-0+0! Olivia M 6 Parker 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 School (7+0^0)+2 Sio O 6 Parker Middle School (2+0!)+(0!*7) Janey Perry 7 Rohrer Ms 2+0^0+7 Nigel Poh 9 Hwa Chong Institution (2+7+0!)*0! Ow Zhen Quan 8 Hwa Chong Institution 7+0+0!+2 Tang Zhuo Hao Ray 7 Hwa Chong Institution 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 Brooke R 6 Parker Middle School (7+2+0!)0! Lee Sad 9 Christian High School 2+7+0!-0 Caylie Scherba 8 Hudson Montessori Middle School 2+0+7+0! Nayan Shah 8 Hudson Montessori School 7+2+0!+0 Selena Starbard 7 Rohrer M.S. (7+2)+0^0 Dylan S. 6 Parker Middle School 7+2+0^0 Katie S 6 Parker Middle School 7+2+0^0 Jon Tan 8 Hwachong Institution 2+0!+0+7 Darren Toh 9 Hwa Chong Institution 2+7+0!+0 Henry Trimpe 1 Hudson Montessori School 0!+7+2-0 Scott Tully 6 Parker Middle School 2+7+0^0 Anna T. 6 Parker Middle School 2+0!+0+7 Ang Chong Wei 9 Hwa Chong Institution 7+0!+2+0 Chong Zhi Wei 7 Hwa Chong Insitution 7+2+0!+0 Tan Yi Wei 7 Hwa Chong Institution 7+0^0+2 Foo Ren Xiang 3 Hwa Chong Institution 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 2+7+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 7+2+(0!)+0 Xiao Yuting 8 Hwa Chong Institution 2+(0!)+0+7 Ng Soon Zhou 7 Hwa Chong Institution Highschool 2+0^0+7 2+0!+7+0 Yu Zhou 1 Hwa Chong Institution (7+0^0)+2 Anthony 6 Parker 7+2+0!-0 Chrissa 6 John F. Kennedy School 2*0!+0!+7 NergüL 10 ÖZel Fatih Sultan Lisesi 7+2+0!-0 Steven 6 Christ The Divine Techer School 2+0!+0+7 Yuanxi 9 Hwa Chong Institution

Please notify Judy Ann Brown of any errors.