Virtual Manipulatives
National Library of Virtual Manipulatives http://nlvm.usu.edu/en/nav/vlibrary.html
Exactly what the title says. You can search by grade level and topic.
Houghton Mifflin eManipulatives http://www.eduplace.com/kids/mw/manip/mn_4.html
Virtual counters, number lines, money, and more.
NCTM Illuminations http://illuminations.nctm.org/Search.aspx?view=search&type=ac
Illuminations has 107 online activities available including manipulatives. Choose a grade level and search. Also has free apps for mobile devices: http://illuminations.nctm.org/content.aspx?id=3855.
Exactly what the title says. You can search by grade level and topic.
Houghton Mifflin eManipulatives http://www.eduplace.com/kids/mw/manip/mn_4.html
Virtual counters, number lines, money, and more.
NCTM Illuminations http://illuminations.nctm.org/Search.aspx?view=search&type=ac
Illuminations has 107 online activities available including manipulatives. Choose a grade level and search. Also has free apps for mobile devices: http://illuminations.nctm.org/content.aspx?id=3855.