Count Me In Too uses the learning framework as a tool to assist teachers
to get inside the learning process and appreciate the purpose of structured
learning opportunities. This website includes structuring, counting and
number word before/after activities.
www.curriculumsupport.education.nsw.gov.au/countmein/children.htm

A good website that builds structuring skills to 5, 10 and 20. www.fi.uu.nl/toepassingen/00204/toepassing_rekenweb.xml?

Build number sense and math skills
http://www.hbschool.com/hspmath/na/index.html

A website that explains odd/even
http://www.primarygames.com/storybooks/even_odd/end.htm

Illuminations is a site designed by the National Council of Teachers of Mathematics is packed full of activities, lessons, and more web links.
Lessons and activities are organized around the math standards.
http://illuminations.nctm.org/

A website to practice patterns
http://www.primarygames.com/patterns/question1.htm

Interactive activities are offered in the major subject areas for elementary grades: math, language arts, science, social studies and the arts.
http://www.iknowthat.com/com/L3?Area=math

Interactive activities that build comparative skills and measurement vocabulary.
www.ixl.com/math/practice/kindergarten-compare-size-weight-capacity