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, 2010. Rules: use the digits in the year 2010 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: 20

 Solution Name Grade School (2+0)x10 Jackie Cabello 9 Alamo Heights High School 20*1-0 natan lizier zmudzinski 6 st.matthew 20-10 Aneesha Kumar 7 Mount Olive Middle School 20-1+0! Melissa 7 Mount Olive Middle School 20+1-0! Adam Aukamp 7 Mount Olive Middle school (2/0.1)+0 Hollie Poehler 6 St. Matthew, Oak Creek, WI 20*1+0 Lily M. 6 W.S. Parker Middle School 20*1+0 Ryan F 6 ws parker middle school 20*1+0 Nick !!!!! 6 W.S Parker MS (20X1)+0 Stefanie.S 6 W.S Parker Middle School 2.0*10 luke g 6 W.S.parker middle school 20x1-0 Andrew W. 6 W.S. Parker Middle School 20x1+0 Daniel G 6 W.S. Parker Middle School 20x1+0 joao.m 6 w.s. parker ms 20*1+0 Ricky.P 6 W.S Parker M.S 20^1+0 Caroline S. 6 W.S. Parker Middle School 20*1-0 James M. 6 WS Parker Middle School 20x1+0 Timothy F. 6 W.S Parker 20x1-0 Jonathan S. 6 W. S. Parker Middle School 20x1-0 Kelly S. 6 W.S Parker Middle School 20x1+0 Justin C. 6 W.S. Parker M.S. 20-1+0! Sam A 1 W.S.Parker MS 20*1+0 Andrew S. 6 W. S. Parker MS 20 x (1 + 0) Jane D. 6 W.S Parker MS (2+0)x10 Isabella M. 6 W.S. Parker Middle School 20*1-0 alex M. 6 WS parker MS 20 + ( 1 - 0! ) Hunter L. 6 W.S. Parker MS 20x(1+0) Leto K. 6 W. S. Parker Middle School (2+0)*10 Madison ILene Bourgeault 6 W.P.Sandin 20*1+0 Donahue Geometry 8 Horace Mann Middle School 20*1-0 Garret Feige 6 W.P Sandin (2+0)x10 Katie Shumway 11 North Allegheny Senior High 20*1-0 Tyler and Emily 6 Horace Mann Middle School 20-1*0 Stefany Hernandez 9 Alamo Heights High School (2! * 0!) * 10 Jackie Cabello 1 Alamo Heights High School 20*1^0 Helen Liljenwall 9 Alamo Heights High School

Please notify Suzanne Alejandre of any errors.