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, 2005. Rules: use the digits in the year 2005 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: 31

 Solution Name Grade School 20+sqrt(0!+5!) Simon Alger 10 Cannons Creek (2+0!)!*5+0! JP Allport 7 RSM Intermediate 2^5-0!+0 Adam Bethoney 11 McCann Technical High School (2^5)-0!+0 Leah Bombardier 11 McCann Technical High School 2^5-0^0 Esther Braun 5 John Stanford International School; Seattle WA 2^5+0-0! Gina Carmina 8 Mount Olive Middle School 2^5-0^0 Casey Ciechanowski 6 Johnson Middle School (2^5-0!)+0 Sarah Connolly 6 Johnson Middle School 2^5+0-0! Heather Dalton 8 Mount Olive Middle School 2^5-0!+0 Noah de Leeuw 5 John Stanford International School; Seattle WA (2+0!)!x5+0! Ryan Denault 11 McCann Technical High School (2^5)-0!+0 Alex D. 6 Johnson Middle School 2^5-0^0 Andy Ellis 6 Johnson Middle School 2^5-0!+0 Kristin Euchler 7 Clarksburg Elementary School 5*(2+0!)!+0! Lisa Gardner 9 Buchholz High School 2^5-0^0 Stephen Hall 7 The Gordon School 2^5-0^0 Willem Hardeski 7 Roher Middle School 2^5-0!+0 Savannah Harik 6 Johnson Middle School 2^5-0^0 Kyle McTaggart 7 Rohrer Middle School 2^5-0!+0 Margaret Mohrenweiser 9 West Milford High School 2^5-0!-0 Mark M. 6 Parker Middle School (2^5)-(0^0) Kanako Nakagawa 5 Canadian Academy Japan, Kobe 2^5-0!+0 Coley Nee 6 Johnson Middle School 2^5-0^0 Erin N. 6 Johnson Middle School 2^5-0^0 Alex Ordway 6 Johnson Middle School 2^5-(0!+0) Johnny Pra Sisto 8 Mount Olive Middle School 2^5-0^0 Shannon Prendergast 6 Johnson Middle School 2^5-0^0 Rob Prindall 6 Johnson Middle School 2^5-0!-0 Abhimanyu Ramachandran 7 Mount Olive Middle School 5*((2+0!)!)+0! Chris Salls 8 Mendive 2^5-0^0 Tess S. 6 Johnson Middle School 2^5-0!-0 Carolyn Tracey 6 Johnson Middle School 2^5-0!+0 Amanda Von Lindern 8 Mount Olive Middle School 2^5-0^0 CJ Wood 6 Johnson Middle School 2^5-0^0 Christina 6 Johnson Middle School 2^5-0^0 Kaitlin 8 Mount Olive Middle School 2^5-0!+0 Kevin 11 McCann Technical High School 2^5-0!-0 Lauren 6 Elenor N. Johnson Middle School 2^5-0^0 Emily Falvey and Jenna MacLellan 6 Johnson Middle School

Please notify Judy Ann Brown of any errors.