A Math Forum Project

1999 Mathematics Game

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This Web page is intended to record solutions submitted by students in grades three through twelve. Student solutions were submitted January 1, 1999 through February 1,1999. Submissions for missing numbers can still be submitted using the Web form.

Rules: use the digits in the year 1999 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 31 to 40

  Solution Name Grade School
31 1 + [9 x sqrt(9)] + sqrt(9) Matt Agnew 7 Wilson Central Junior High, West Lawn, PA
31 (9xsqrt9)+sqrt9+1 David Auble 6 Raymond Park M.S.
31 (sqrt9x9)+1+sqrt9 Ashley Carter 6 Raymond Park Middle School
31 (sqrt9x9)+sqrt9+1 Tony Drake 6 Raymond Park Middle School
31 (9*sqrt9)+(sqrt9+1) Michael Falls 6 Raymond Park Middle School
31 1 + sqrt9 +(9*sqrt9) Lisa Gardner 3 Boyette Springs ES
31 9(sqrt9)+sqrt9+1 Nicholas Terracciano 8 St.Jude School, Brooklyn, NY
32 [sqrt(9)! x sqrt(9)!] - [sqrt(9) + 1] Matt Agnew 7 Wilson Central Junior High, West Lawn, PA
32 (-1) +(sqrt9)! + (9)(sqrt9) Lisa Gardner 3 Boyette Springs ES
32 sqrt9(9)+ (sqrt9)! -1 Jennifer Gauthier 8 St.Jude School, Brooklyn, NY
32 (sqrt9*9)+[(sqrt9)!-1] David Moudy 7 Raymond Park Middle School
33 (9+1)sqrt9+sqrt9 David Auble 6 Raymond Park M.S.
33 (-1 + 9)(sqrt9) + 9 Lisa Gardner 3 Boyette Springs ES
33 ( (9 + 1) x sqrt 9 ) + sqrt 9 Will Morrison 4 Cheat Lake Elementary
33 (sqrt9*9)+[(sqrt9)! * 1] David Moudy 7 Raymond Park Middle School
33 sqrt9(9+1)+sqrt9 Luis Urena 8 St.Jude School, Brooklyn, NY
34 [sqrt(9)! x sqrt(9)! ] - [sqrt(9) - 1] Christine Alaniz 7 Wilson Central Junior High, West Lawn, PA
34 (1 - sqrt9) +(sqrt9)! *(sqrt9)! Lisa Gardner 3 Boyette Springs ES
34 sqrt 9(9)+(sqrt9)! +1 Jennifer Gauthier 8 St.Jude School, Brooklyn, NY
34 (sqrt9*9)+[(sqrt9)! +1] David Moudy 7 Raymond Park Middle School
35 sqrt9x9+9-1 David Auble 6 Raymond Park M.S.
35 -1+9+9*sqr9 Jared Baker 8 Reading-Fleming Middle School
35 sqrt9x9+9-1 Tony Drake 6 Raymond Park Middle School
35 (sqrt9*9)+(9-1) Michael Falls 6 Raymond Park Middle School
35 sqrt9*9+9-1 Jeramey Franklin 6 Raymond Park Middle School
35 (-1) +9 + (9* sqrt9) Lisa Gardner 3 Boyette Springs ES
35 sqrt9x9-1+9 Sara Gobble 6 Raymond Park Middle School
35 (sqrt 9 x 9) + 9 - 1 Jessica Hammond 4 Cheat Lake Elementary
35 sqrt9x9+9-1 Luis Urena 8 St.Jude School, Brooklyn, NY
35 -1+9+(9*sqrt9) Chris Waid 8 RFMS
35 9 x sqrt(9) + 9 - 1 Karl Weist 7 Wilson Central Junior High, West Lawn, PA
36 sqrt9x9+9x1 Crystal Abel 8 St.Jude School, Brooklyn, NY
36 1(sqrt9x9)+9 David Auble 6 Raymond Park M.S.
36 1x(sqrt9)x((sqrt9)+9) Wendy Cheung 10 The Bishop Strachan School
36 sqrt9x9+9x1 Tony Drake 6 Raymond Park Middle School
36 (sqrt9*9) + (9*1) Michael Falls 6 Raymond Park Middle School
36 1*9 +(9*sqrt9) Lisa Gardner 3 Boyette Springs ES
36 ( ( sqrt 9 x 9 ) + 9 ) x 1 Jessica Hammond 4 Cheat Lake Elementary
37 sqrt9x9+9+1 Crystal Abel 8 St.Jude School, Brooklyn, NY
37 sqrt9x9+9+1 David Auble 6 Raymond Park M.S.
37 1+9+9*sqr9 Jared Baker 8 Reading-Fleming Middle School
37 sqrt9x9+9+1 Tony Drake 6 Raymond Park Middle School
37 (sqrt9*9) + (9+1) Michael Falls 6 Raymond Park Middle School
37 1 + 9 +(9*sqrt9) Lisa Gardner 3 Boyette Springs ES
37 sqrt9x9+9+1 Sara Gobble 6 Raymond Park Middle School
37 ((sqrt 9 x 9) + 9) + 1 Jessica Hammond 4 Cheat Lake Elementary
37 1+9+(9*sqrt9) Chris Waid 8 RFMS
38 [sqrt(9)! x sqrt(9)! ] + [sqrt(9) - 1] Matt Agnew 7 Wilson Central Junior High, West Lawn, PA
38 (sqrt9! *sqrt9! )+(sqrt9-1) Michael Falls 6 Raymond Park Middle School
38 (-1) +sqrt9 + (sqrt9)! (sqrt9)! Lisa Gardner 3 Boyette Springs ES
38 (sqrt9)! x (sqrt9)! + (sqrt9-1) Dominique Natoli 8 St.Jude School, Brooklyn, NY
38 (sqrt9)! *(sqrt9)+(sqrt9)-1 Ms. Stonequist's Math Class 6 Marie Murphy School
39 sqrt9(9+1)+9 David Auble 6 Raymond Park M.S.
39 (sqrt9! *sqrt9! )+(sqrt9*1) Michael Falls 6 Raymond Park Middle School
39 (1 +9)(sqrt9) +9 Lisa Gardner 3 Boyette Springs ES
39 ((9 + 1) x sqrt 9) + 9 Lisa Jackson 4 Cheat Lake Elementary
39 ((9 + 1) x sqrt 9) + 9 Will Morrison 4 Cheat Lake Elementary
39 sqrt9x(9+1)+9 Dominique Natoli 8 St.Jude School, Brooklyn, NY
40 (sqrt9! * sqrt9!) + (sqrt9+1) Michael Falls 6 Raymond Park Middle School
40 1 + sqrt9 +(sqrt9)! (sqrt9)! Lisa Gardner 3 Boyette Springs ES
40 (sqrt9)! x (sqrt9)! +sqrt9 +1 Noelle Ingrassia 8 St.Jude School, Brooklyn, NY

Solutions 1 to 10 Solutions 11 to 20 Solutions 21 to 30
Solutions 41 to 50 Solutions 51 to 60 Solutions 61 to 70
Solutions 71 to 80 Solutions 81 to 90 Solutions 91 to 100
Please notify Judy Ann Brown of any errors.

The Math Forum ** Judy Ann Brown ** 22 December 1998