Previous Algebra Pinball Scores:
MIXED ADDITION AND SUBTRACTION OF SIGNED NUMBERS

Most recent scores are on top.

Miss Hall's School WORLD Fisher Classes,
2007–2008
Seon Ah Yoon
Miss Hall's School
Pittsfield, Massachusetts, USA
March 12, 2007
2.0 seconds per correct problem

Seon Ah Yoon
Miss Hall's School
Pittsfield, Massachusetts, USA
February 16, 2007
2.1 seconds per correct problem

Hee Joo Kim
Miss Hall's School
Pittsfield, Massachusetts, USA
February 21, 2006
2.2 seconds per correct problem

Min Ah Kwon
Miss Hall's School
Pittsfield, Massachusetts, USA
December 13, 2005
2.4 seconds per correct problem

HeeJoo Kim
Miss Hall's School
Pittsfield, Massachusetts, USA
December 11, 2005
3.2 seconds per correct problem

Sunny Lee
Miss Hall's School
Pittsfield, Massachusetts, USA
December 9, 2005
3.5 seconds per correct problem
Rina Nakazawa
Shirayuri Gakuen High School
Chiyoda-ku Tokyo, Japan
December 19, 2005
3.2 seconds per correct problem
Soo Yeon Kim
Miss Hall's School
Pittsfield, MA, USA
September 17, 2007
2.4 secs/correct problem

Woo Ji Kim
Miss Hall's School
Pittsfield, MA, USA
September 12, 2007
3.3 secs/correct problem