Spelling City - Practice Your Sight Words!  
http://www.spellingcity.com/

Scholastic Letter Match
http://teacher.scholastic.com/clifford1/flash/confusable/index.htm

Scholastic Sound Match

http://teacher.scholastic.com/clifford1/flash/phonics/index.htm

Scholastic Word Match

http://teacher.scholastic.com/clifford1/flash/vowels/index.htm

Rhyming Activity

http://teacher.scholastic.com/activities/bll/reggie/index.htm

Pattern Block 

http://nlvm.usu.edu/en/nav/frames_asid_169_g_1_t_2.html?open=activities

Color Patterns

http://nlvm.usu.edu/en/nav/frames_asid_184_g_1_t_2.html

Literacy Center

http://www.literacycenter.net/lessonview_en.php

Sesame Street

http://www.sesamestreet.org/?scrollerId=games

Star Fall

http://www.starfall.com/

Sum Sense

http://www.oswego.org/ocsd-web/games/SumSense/sumadd.html

abcmouse.com

http://www.abcmouse.com/home#

Sight Word Activities

http://dolch-words.com/