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, 2009. Rules: use the digits in the year 2009 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: 1

 Solution Name Grade School 0! + 0 * 29 Michael Endick 10 Northgate High School (9x2x0) + 0! Emily Burnett 9 Alamo Heights 0^2+9^0 Peyton Perry 9 Alamo Heights High School (29x0)^0 Benjamin Yee 10 Arlington High School 0^9+2^0 Aidan Scribbick 9 Alamo Heights High School (sqrt9-0!)-(2-sqrt0!) Paul Miller 6 Paris Elementary 9x0+2-0! john oh 7 mt.olive midlle shool (2^0)(9^0) Elana Benedikt 9 Alamo Heights High School 0!+0(9+2) Jemma Miller 9 Alamo Heights High School sqrt(9) - (2x0)! - 0! Ryan&Ashlie 5 Kohl Elementary 2^0 * 9^0 Perry Jia 10 Harvest Park (2*0*9)+0! Shaylyn K. 6 WP Sandin 2*0*9+0! ryan porter 6 WP sandin sqrt9-2+0+0 Ethan Sellar 6 WP Sandin (2*0*9)+0! Todd Pilling 1 WP Sandin (2*0*9)+0! Todd Pilling 6 WP Sandin (2*0*9)+0! Brett Bell 6 WP Sandin (2x0x9)+0! Tyler Galbraith 6 WP Sandin (2*0*9)+0! Zachary Banda 6 WP.Sandin (2*0*9)+0! Brooke Andreae 6 WP Sandin 2x0x9+0! Devin Stochmanski 6 wpsandin 9^0 x 2^0 mariah 7 mount olive middle school 2^0*9^0 Jongwhan Park 8 Union School 2^0/9^0 Madison Tatum, Karianne Jarvis, & Carly Schaechter 7 Mt. Olive Middle School (9+2)0+0! James Carter 11 MSSD sqrt 9-2+0+0 Roger Aanonsen 7 Mount Olive Middle School 92x0+0! Angel Chavez 7 San Fernando Middle School (sqrt9)-(0!*2)-0 Stephen 8 Christ the Divine Teacher School sqrt. (9) -2-0-0 Carson Davis Teague 7 William G. Rohrer Middle School (0!)+(9*2*0) casandra super 1 Wm g. rohrer MS (sqrt9)-(0!*2)+0 Stephen 8 Christ the Divine Teacher School 9*0+2^0 Cassidy McSorley 7 William G. Rohrer Middle School (sqrt.9)-2+(0+0) Sarah Camp 7 Wm G. Rohrer MS 2-0!(9*0) Zach Banda 6 W.P Sandin 2-0*9-0! Alex D. 5 Chesterbrook Academy Oaks (sqrt 9)-2+0+0 Alexis Rand 7 Rohrer middle School (9*0)+(2^0) Elijah 7 Rohrer middle School 2 to the oth power over 9 to the oth power Raj Lavadi 7 Mount Olive Middle School 9^0/2^0 Katie Cunningham 7 William G. Rohrer Middle School 2^0(9^0) ASMStudents 7 Annie Sullivan Middle School Sqrt (9+0)-2+0 Kenneth Trieu 10 Arlington High School 0!+(9x2x0) Audrey 8 Woodlawn Middle 0!+0x2x9 Madison 7 Woodlawn Middle School 1+0*2*9 Sara 7 Woodlawn Middle School 2+(9x0)-0! Liam River Fitzgerald 6 Woodlawn 2-0!+(0x9) Layton Barker 8 Woodlawn Middle School (9^0)+0x2 gibson barker 6 Woodlawn Middle School (2^0)+[0(9)] Jerry the Clam 1 Undersea Freeschool 9^0+(2*0) Katie Groves 6 Woodlawn Middle

Please notify Suzanne Alejandre of any errors.

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