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: 6

 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 0^0+7-2 Neal Amos 10 Brookstone School 7-2^0+0 Janine A. 6 Parker Middle School 7-2+0^0 Khrysta A-H 6 Parker Middle School 7-2+0!+0 Nick A 6 Parkermiddleschool 7-2+0!+0 Abbie Basso 7 Rohrer Middle School (7-2+0!)+0 Jerome Bong 6 J.F.K. 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 Calvin Sim Poh Chuan 12 Hwa Chong Institution 7-2+0^0 Amy C 6 Parker Middle School 7-2+0^0 David C 6 Parker Middle School 0^0+7-2 Ryan C. 6 Parker Middle School -2+0!+0+7 7-0!+2x0 Khu Boon Tat Daren 9 Hwa Chong Institution 7^0!-(2-0!) Erika Grace Davies 8 Christ The Divine Teacher (7-2-(0!)-(0!))! Noah Delius 6 John F. Kennedy School, Berlin, Germany 7-2+0^0 7+0-2^0 Tran Ha Duong 9 3h, Hwa Chong Institution 7-0!+(2x0) David D 6 Parker Middle School (7-2)+(0^0) Julia D. 6 Parker Middle School (0+0+Sqrt(2+7))! Michael Endick 8 Foothill Middle School 7-2+0!+0 Tim Freborg 7 Hudson Montessori 7-2+0!+0 Sam F 6 Parker Middle School 7-2+(0!)-0 Chan Tuck Ging 7 Hwa Chong Institution 7-2+0!+0 Aly G. 6 Parker Middle School 7-2^0+0 James G 6 Parker Middle School 7-2^0+0 J.D. G 6 Parker Middle School 0!+7-2+0 Maggie G. 6 Parker Middle School -20^0+7 Wu Zi Hao 9 Hwachong Institution (7-2)+0!+0 Jan Eric Hellenbrand 6 John-F.-Kennedy 7-2+(0^0) Nicholas Heng 8 Hwa Chong Institution (0+2+7^0)! Yeo Si Heng 8 Hwa Chong Instituition (7-2)+(0!+0) Emily Himles 7 Rohrer Ms (7-2)+0!+0 Angelina Hintze 6 John F. Kennedy School 7-2+0!+0 Cara Hudak 8 Hudson Montessori Middle Scholl 7-0-2^0 Lim Aik Hwee 9 Hwa Chong Institution (High School Section) 0^0+7-2 Jared H 6 Parker Middle School 7-2+0^0 Matt H 6 Parker Middle School 7-2+0^0 Peter H 6 Parker Middle School (7-0!)+0x2 A.J. I 6 Parker Middle School 7-2+0!-0 Lee Zi Jian 8 Hwa Chong Instituition 7-2+0^0 Sim Zhi Jian 8 Hwa Chong Instiution 7+(0^0)-2 Chow Zheng Jie 9 Hwa Chong Institution 7-2+0^0 7-2+0+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 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!-0^2 Gannon Lavins 7 Hudson Montessori School 7+0^0-2 Won Cheng Yi Lewis 1 Hwa Chong Institution -(2)^0+0+7 Benjamin Low 8 Hwa Chong Institution (7-2)+0^0 Amanda L. 6 Parker Middle School 7-2+0!+0 Hannah Marshall 7 M.O.M.S. 7.0-2^0 Yeo Soon Kiat Matthew 9 Hwa Chong Institution 7-(2-0!+0) Will Mathews 6 John F. Kenedy School 7-2!+0!+0 Kelley Mcintire 9 Brookstone 7-2+0!+0 Ella Medicus 8 Hudson Montessori 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 7-2+0^0 Monie M 6 Parker Middle School 7-2+0^0 Natalie M. 6 Parker Middle School 7-2+0+0! Olivia M 6 Parker Middle School 7^0!-2+0! 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 7-2+0^0 Sio O 6 Parker Middle School 7-2+0!+0 Vanessa O'c 6 Parker Middle School 7-0-2^0 Andy Chan Boon Pang 8 Hwa Chong Institution 7-2+0!+0 Ow Zhen Quan 8 Hwa Chong Institution 7-2-0+0! Tang Zhuo Hao Ray 7 Hwa Chong Institution 7-0-2^0 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 Caylie Scherba 8 Hudson Montessori Middle School 7-2+0!-0 Nayan Shah 8 Hudson Montessori School 7-2+0^0 Rachel Stewart 7 Mount Olive Middle School (7-2)+0^0 Dylan S. 6 Parker Middle School 7-0!+0x2 Kevin S 6 Parker Middle School 7-2^0+0 7-2+0^0 Jon Tan 8 Hwachong Institution (7-0!)!/(0!/.2)! Chong Tjen-Yao 7 Hwa Chong Institution 2x0-0!+7 Darren Toh 9 Hwa Chong Institution 7-2+0^0 Anna T. 6 Parker Middle School (7-2)+0^0 Scott T 6 Parker Middle School 7+0!+0-2 Kathryn V 6 Parker Middle School 2x0-0!+7 Ang Chong Wei 9 Hwa Chong Institution 7-0-2+0! Chong Zhi Wei 7 Hwa Chong Insitution 7-2^0+0 Kenneth Ng Yu Wei 7 Hwa Chong Institution 7-2^0-0 Tan Yi Wei 7 Hwa Chong Institution 7-2+0!+0 Ben Wyatt 9 Broadland High School (7-2)+0^0 Abby W. 6 Parker Middle School -2+0!+0+7 Jerrold Au Ying Xian 9 Hwa Chong Institution 7+0^0-2 Foo Ren Xiang 3 Hwa Chong Institution -2^0+0+7 Han Xiaoxiao 9 Hwa Chong Institution Sqrt(2+0+0+7)! Lim Han Xin 7 Hci -2+0!+0+7 Shaun Lum Yu Xuan 3 Hwa Chong Institution -2^0+0+7 Loh Jun Yan 3 Hwa Chong Institution (High School Section) (7-0!)+(2x0) Lee Jun Yi 8 Hwa Chong Institution -20^0+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-(0!)-(0*2) Xiao Yuting 8 Hwa Chong Institution 7-0-(2^0) Ng Soon Zhou 7 Hwa Chong Institution Highschool 7-2^0-0 Yu Zhou 1 Hwa Chong Institution 7-(2^0)-0 Andre 8 St. Gabes (7+0^0)-2 Anthony 1 Parker 2x0+(7-0!) Chrissa 6 John F. Kennedy School 7-20^0 Jared 6 Parker Middle School 2*0-0!+7 NergüL 10 ÖZel Fatih Sultan Lisesi 7-2+0^0 Marissa 7 Mount Olive Middle School 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.