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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, 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.
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| Solution | Name | Grade | School |
| 50+20 | Jimmy Adams | 6 | Johnson Middle School |
| 50+20 | Chua Cheng Aik | 7 | Hwa Chong Institution |
| 50+20 | Simon Alger | 10 | Cannons Creek |
| 50+20 | Jonathan Bailey | 6 | Johnson Middle School |
| 50+20 | Andrea Barry | 6 | Johnson Middle School |
| 50+20 | Andrew Bodin | 6 | Johnson Middle School |
| 20+50 | Esther Braun | 5 | John Stanford International School; Seattle WA |
| 50+20 | Amanda Carney | 6 | Johnson Middle School |
| 50+20 | Casey Ciechanowski | 6 | Johnson Middle School |
| 50+20 | Bryan Clark | 11 | McCann Technical High School |
| 20+50 | Sam Coffin | 8 | Brookstone School |
| 20+50 | Julia Connell | 6 | Johnson Middle School |
| 50+20 | Charlie Costanzo | 7 | Broadview Middle School |
| 50+20 | Julie Discher | 7 | Rorher Middle School |
| 50+20 | Jessica Dochney | 7 | Rohrer Middle School |
| 50+20 | Justin Ellis | 6 | Johnson Middle School |
| 50+20 | Lim Yu Sheng Fabian | 7 | Hwa Chong Institution |
| 20+50 | Dave Frizzell | 6 | Johnson Middle School |
| 50+20
sqrt[(5+2)!+0!]-0! |
Lisa Gardner | 9 | Buchholz High School |
| 50+20 | Nikai Gibson | 7 | Mount Olive Middle School |
| 50+20 | Jimmy Gillon | 6 | Johnson Middle School |
| 20+50 | Mike G. | 6 | Johnson Middle School |
| 50+20 | Taylor G | 6 | Johnson Middle School |
| 50+20 | Andrew Haduck | 8 | Mount Olive Middle School |
| 50+20 | Stephen Hall | 7 | The Gordon School |
| 20+50 | Lim Kah Hong | 8 | Hwachong Institution |
| 50+20 | Katherine Keener | 7 | Northwood Middle School |
| 50+20 | Adam Lemaire | 11 | McCann Technical High School |
| 20+50 | Ian Mark | 5 | Underwood School, Newton, Mass |
| 20+50 | Devin McKenney | 6 | Floyd Middle Magnet |
| 50+20 | Matt Miller | 8 | Mount Olive Middle School |
| 20+50 | Tayyabah Mirza | 7 | Rohrer Middle School |
| 50+20 | Margaret Mohrenweiser | 9 | West Milford High School |
| 20+50 | Dylan M | 6 | Johnson Middle School |
| 50+20 | Mark M. | 6 | Parker Middle School |
| 50+20 | Colby Nadeau | 6 | Johnson Middle School |
| 50+20 | Kanako Nakagawa | 5 | Canadian Academy Japan, Kobe |
| 20+50 | Michelle Nunez | 11 | McCann Technical High School |
| 50+20 | Calvin Pratt | 6 | Johnson Middle School |
| 50+20 | Shannon Prendergast | 6 | Johnson Middle School |
| 50+20 | Amy Rader | 7 | Rohrer Middle School |
| 20+50 | Viktoras Raklevicius | 6 | Floyd Middle Magnet School |
| 20+50 | Christine Rescigno | 7 | Rohrer Middle School |
| 20+50 | Bianca Reyes | 9 | Coachella Valley High School |
| 50+20 | Ben Ringwood | 7 | Rohrer Middle School |
| 50+20 | Emily Rochotte | 7 | Mount Olive Middle School |
| 20+50 | Kayla Saam | 8 | Mount Olive Middle School |
| 20+50 | Chris Salls | 8 | Mendive |
| 50+20 | Cameron Saunders | 9 | Brookstone |
| 50+20 | Shreye Saxena | 6 | Mount Olive Middle School |
| 50+20 | Chris Schackerman | 7 | Rohrer Middle School |
| 50+20 | Dylan Shaw | 6 | Johnson Middle School |
| (50+20) | Andrea Sotosainz | 9 | Coachella Valley High School |
| 20+50 | Jenna Surmick | 7 | Rohrer Middle School |
| 50+20 | Devon S | 5 | GA |
| 50+20 | Tess S. | 6 | Johnson Middle School |
| 50+20 | Laura Thomlinson | 8 | Mount Olive Middle School |
| 50+20 | Ricaqrdo Trochez | 8 | Mount Olive Middle School |
| 50+20 | Amanda Von Lindern | 8 | Mount Olive Middle School |
| 50+20 | Brittney Wheeler | 11 | McCann Technical High School |
| 50+20 | CJ Wood | 6 | Johnson Middle School |
| 50+20 | Thomas Woodward | 11 | Brookstone School |
| 20+50 | Lewis Won Cheng Yi | 7 | Hwa Chong Institution |
| 50+20 | Andre | 1 | Desert Mirage |
| 20+50 | Brendoin | 8 | John J. Ahern |
| 20+50 | Christina | 6 | Johnson Middle School |
| 50+20 | Josh | 12 | McCann Technical High School |
| 50+20 | Kelsey | 6 | Johnson Middle School |
| 20+50 | Kyle | 8 | John J. Ahern |
| 50+20 | Lauren | 6 | Elenor N. Johnson Middle School |
| 50+20 | Aliesha Fink, Basia Godecki | 8 | Mount Olive Middle School |
| 50+20 | Jenna MacLellan and Emily Falvey | 6 | Johnson Middle School |
| 50+20 | Jagjot Pataria, Krista D'Onofrio, Matthew Mari | 7 | St. Bernadette, Brooklyn, NY |
| 50+20 | Pooja Patil, Paulina Wyszynski | 8 | Mount Olive Middle School |
| 20+50 | Ichiro, Yamakazi, Bread | 7 | St. Bernadette |
Please notify Judy Ann Brown of any errors.
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