Examining First-Graders’ Developing Understanding of Place Value via Base-Ten Virtual Manipulatives
Keyword(s):
1990 ◽
Vol 21
(3)
◽
pp. 180-206
◽
Keyword(s):
Keyword(s):
1989 ◽
Vol 81
(1)
◽
pp. 109-114
◽
1993 ◽
Vol 85
(1)
◽
pp. 24-30
◽
Keyword(s):
Keyword(s):
2010 ◽
Vol 57
(6)
◽
pp. 455-461
◽
Keyword(s):
Keyword(s):