http://pbskids.org/games/literacy.html
Tiger Trap
http://www.smart-kit.com/s6755/tiger-trap-2/
Math Games
http://www.learninggamesforkids.com/1st-grade-math/number-sense-1st.html
I spy
http://www.scholastic.com/ispy/games/index.htm
Practice using a mouse:
http://www.pbclibrary.org/mousing/mousercise.htm
Addition and Subtraction Baseball:
http://www.funbrain.com/math/index.html
Math Practice:
www.abcya.com/first_grade_computers.htm
Everday Math
https://www.everydaymathonline.com/student_login.html
Lions in the Library
http://pbskids.org/lions/games/