Previous Algebra Pinball Scores:
IDENTIFYING PLACE VALUES

Most recent scores are on top.

Miss Hall's School WORLD Fisher Classes
2007–2008
Hyun Sun Seo
Miss Hall's School
Pittsfield, Massachusetts, USA
November 28, 2007
1.5 seconds per correct problem

Kyung Eun Lee
Miss Hall's School
Pittsfield, Massachusetts, USA
November 8, 2007
1.6 seconds per correct problem

Kyung Eun Lee
Miss Hall's School
Pittsfield, Massachusetts, USA
October 22, 2007
1.7 seconds per correct problem

Song E Park
Miss Hall's School
Pittsfield, Massachusetts, USA
September 19, 2007
1.8 seconds per correct problem

Amelie Dyzmann
Miss Hall's School
Pittsfield, Massachusetts, USA
January 10, 2007
2.1 seconds per correct problem

Soo Yeon Kim
Miss Hall's School
Pittsfield, Massachusetts, USA
September 19, 2006
2.3 seconds per correct problem

(This web exercise was changed on July 11, 2006
to make it more challenging,
so I reset the Algebra Pinball time.)


Masha Jones
Miss Hall's School
Pittsfield, Massachusetts, USA
April 28, 2006
1.8 seconds per correct problem

Hee Joo Kim
Miss Hall's School
Pittsfield, Massachusetts, USA
April 24, 2006
3.5 seconds per correct problem
Dong Lim Lee
J-am Elementary School
Seoul, Korea
age 12
May 25, 2006
7 seconds per correct problem
Hyun Sun Seo
Miss Hall's School
Pittsfield, Massachusetts, USA
November 27, 2007
1.7 seconds per correct problem

Kyung Eun Lee
Miss Hall's School
Pittsfield, Massachusetts, USA
September 20, 2007
1.8 seconds per correct problem

Kyung Eun Lee
Miss Hall's School
Pittsfield, Massachusetts, USA
September 19, 2007
1.9 seconds per correct problem

Hyun Sun Seo
Miss Hall's School
Pittsfield, Massachusetts, USA
September 17, 2007
2.9 seconds per correct problem