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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, 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.
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| Solution | Name | Grade | School |
| 9^2+0+0= | Wes | 8 | CMS |
| (9^2-0!)+0! | Nicole V | 6 | IS141 |
| 9^2+0+0=81 | johnny | 7 | mount olive middle school |
| 9^2 + 0 + 0 | Robert Low | 9 | Alamo Heights High School |
| 9^2-0-0 | Brooke Andreae | 6 | WP Sandin |
| 9^2-0-0 | Zachary Banda | 6 | WP.Sandin |
| (9^2)+0+0 | Jonathan Bragg | 6 | WP Sandin |
| 0! x 9^2 + 0 | mariah | 7 | mount olive middle school |
| 9^2+0!-0! | Emma Clarke | 6 | Int school Lausanne |
| 9^2+0+0 | Claire Billington | 7 | International School of Lausanne |
| 9^2+0+0 | Brandon and Matt and Ryan | 7 | Mount Olive Middle School |
| 9^2+0+0 | Roger Aanonsen | 7 | Mount Olive Middle School |
| ((2+0!)!)!/9+0! | Davy He | 1 | No.6 middle school of Guangzhou in China |
| 9^2-0-0 | Devin Stochmanski | 6 | wpsandin |
| 9^2-0+0 | Julianna Parisi | 7 | rohrer middle school |
| 9^2-0-0 | Alex D. | 5 | Chesterbrook Academy Oaks |
| 9^2+0+0 | mack williams | 7 | William G. Rohrer MS |
Please notify Suzanne Alejandre of any errors.
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