Good math sites as well as interactive ones
http://www.teachervision.fen.com/measuring-space/printable/56867.html
http://www.uen.org/3-6interactives/math.shtml
http://www.bbc.co.uk/schools/ks2bitesize/maths/activities/decimals.shtml
http://www.tmerc.ca/index.php
http://illuminations.nctm.org/
(Excellent)
http://www.learningbox.com/Base10/BaseTen.html
http://www.counton.org/games/
http://www.learnalberta.ca/content/me5l/html/math5.html
http://www.smartkiddies.com.au/
http://createagraph.com/
http://www.learningtoday.com/corporate/maths-games.asp
http://www.eduplace.com/cgibin/schtemplate.cgi?template=/kids/mw/manip/mn_popup.thtml&filename=nmbl_int&title=Number%
20Line&grade=4
http://www.hbschool.com/thinkmath/index.html
http://cemc2.math.uwaterloo.ca/mathfrog/
http://www.rockingham.k12.va.us/resources/elementary/5math.htm
http://smartboards.typepad.com/smartboard/websites/
http://www.apples4theteacher.com/math/games/100-number-chart-one.html
http://www.havefunteaching.com/
http://www.tmerc.ca/resources/
(research)
http://www.topmarks.co.uk/Interactive.aspx?cat=26
http://www.longwood.k12.ny.us/longsmart.html
http://www.education.smarttech.com/ste/enUS/Ed+Resource/Lesson+activities/Notebook+Activities/Correlated+Search+ca.htm
http://its.leesummit.k12.mo.us/smartboard.htm
http://www.teacherled.com/
http://www.d83.org/math.html
http://www.ricemath.com/
http://nlvm.usu.edu/fr/nav/vlibrary.html (French)
http://education.smarttech.com/ste/enUS/Ed+Resource/Lesson+activities/Notebook+Activities/Browse+Notebook/Europe/Français/?sort=
(French)
http://www.bbc.co.uk/schools/primaryfrench/index_flash.shtml (French)