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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.
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| Solution | Name | Grade | School |
| 2*(0!+1+0!) | Alex Mitrovic | 9 | Ursula Franklin Academy |
| (2+0+1!)!+0 | natan lizier zmudzinski | 6 | st.matthew |
| (2+0+1+0)! | Paul Markakis | 11 | Midwood High School at Brooklyn College |
| 2*(0!+1+0!) | Tommy Quinn | 7 | Mount Olive Middle School |
| (2+0+1+0)! | Mark D. | 6 | W.S. Parker MS |
| 2x(0!+1+0!) | Ellie W =] | 6 | W.S Parker |
| (2+0+1)!+0 | Caroline S. | 6 | W.S. Parker Middle School |
| (2+0!+1)!+0 | Jonathan S. | 6 | W. S. Parker Middle School |
| (2+0+1+0)! | Andrew S. | 6 | W. S. Parker MS |
| (2+0!)x(1+0!) | Timothy F. | 6 | W.S Parker Middle School |
| 2x(0!+1+0!) | Justin C. | 6 | W.S. Parker M.S. |
| (2+0+1)!+0 | Isabella M. | 6 | W.S. Parker Middle School |
| ( 2 + 0! )! + 1 - 0! | Chris Rudzinskas | 11 | North Allegheny Senior High School |
| 2x((0!)+1+(0!)) | Katie Shumway | 11 | North Allegheny Senior High |
| (2+0!)*(1+0!) | Annie Adams | 9 | Alamo Heights High School |
| (2 + 0 + 1)! + 0 | MMS Mathematicians | 7 | Marshall Middle School |
| 2(0!+1+0!) | Helen Liljenwall | 9 | Alamo Heights High School |
Please notify Suzanne Alejandre of any errors.
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