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: 56

 Solution Name Grade School 70*(0!-.2) Bob Chen 8 Northwest Junior High (0!-.2)*70 Timothy Tay Kai Cheng 8 Hwa Chong Institution (0!+7)!/((2+0!)!)! Khu Boon Tat Daren 9 Hwa Chong Institution 70*(0!-.2) Michael Endick 8 Foothill Middle School (0!-.2)*70 Lee Zi Jian 8 Hwa Chong Instituition (0!-.2)x70 Sim Zhi Jian 8 Hwa Chong Instiution (7+0!)!/((2+0!)!)! Lau Wei Jie Jonathan 9 Hwa Chong Institution (0!-.2)*70 Tan Song Kai 8 Hwa Chong Institution 70 *(0!-.2) Delwin Koh 8 Hwa Chong Institution (0!-.2)x70 Ng Jun Da Nelson 8 Hwa Chong Instituition (7+0!)!/[(2+0!)!]! Chong Tjen-Yao 7 Hwa Chong Institution (7+0!)!/[(0!+2)!]! Chan Shen Yee 12 Hwa Chong Institution

Please notify Judy Ann Brown of any errors.