say it with symbols; algebraic reasoning
Lappan, Glenda
creator
Fey, James T
Fitzgerald, William M
Friel, Susan N
text
Califonia
Dale Seymour
1998
teachers Ed
monographic
eng
various pages illustrated
Algebra---study and teaching [middle schools]
mathematics symbols--study and teaching
QA 159 .L37 1998
1572321873
260630
20260630101328.0