This Web page is intended to record solutions submitted by students in grades three through twelve. Submissions will be posted starting February 1, 2001.Rules: use the digits in the year 2001 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.
| Solution | Name | Grade | School | |
| 71 | sqrt(((1+2)!+0!)!+0!) | Tom Lee | 9 | Queensway Christian College |
| sqrt(((2+0!)!+0!)!+1) | Linda Mummy | 8 | Issaquah Middle School | |
| 72 | .1*((2+0!)!)! | Nicholas Burbaum | 5 | Cranbury School |
| (((2 + 0!)!)!) / 10 | Ritwik Chaudhuri | 9 | Patha Bhavana | |
| ((2+0!)!)! * 0.1 | Soti Gergely | 11 | Gymansium Svetozar Markovic | |
| ((2+0!)!)!x.1+0! | Brian Casey | 6 | Parker Middle School | |
| {[(2+0!)!]!x.1}+0! | Rachelle Tyson | 7 | Birmingham Covington School (BCS) | |
| 73 | [(2+0!)!]!*.1+0! | Andrew Tsoi | 9 | Queensway Christian College |
| 74 | ||||
| 75 | ||||
| 76 | ||||
| 77 | ||||
| 78 | ||||
| 79 | ||||
| 80 | ((2 * (1! + 0!))!!)!!! + 0 | Rory Kulz | 10 | Clark High School |
| Solutions 1 to 10 | Solutions 11 to 20 | Solutions 21 to 30 |
| Solutions 31 to 40 | Solutions 41 to 50 | Solutions 51 to 60 |
| Solutions 61 to 70 | Solutions 81 to 90 | Solutions 91 to 100 |
Please notify Judy Ann Brown of any errors.
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