I am looking for 3-5 interactive web sites that teach first grade
level math concepts.  Something like http://www.starfall.com/ only for
math skills instead of reading.  In addition to addition and
subtraction I am looking for things like greater than or less than
etc.

nkamom,

There's tons of sites offering interactive lessons for this age group.
Check these out:

I Know That
MATH: http://www.iknowthat.com/com/L3?Area=L2_Math
HOME: http://www.iknowthat.com/

Welcome to the Sunshine Room
PRE-MATH: http://www.akidsheart.com/threer/lvl1/compare.htm
HOME: http://akidsheart.com/threer/lvl1/lvl1.htm
Free Resources for Teachers and Parents:
http://www.akidsheart.com/threer/ttoolsonline.htm

Free Elementary and Preschool Math Activities 
Educational and Interactive 
Online Kids Math Games and Lessons 
http://www.apples4theteacher.com/math.html

FUN BRAIN
http://www.funbrain.com/
Learning games, check out the Math Arcade!

And last but not least, a page of links:

First Grade Skill Builders - Interactive Sites 
http://www.internet4classrooms.com/skills_1st.htm


Hope these help!  Note, by clicking the link below my search terms,
you have access to tons more.


~~Cynthia


Search terms:
"1st grade" arithmetic OR math online lesson greater lesser
://www.google.com/search?hl=en&lr=&q=%221st+grade%22+arithmetic+OR+math+online+lesson+greater+lesser&btnG=Search

Great.  Thanks

nkamom,  Thanks for the kudos, the 5 stars, --and the tip!