Math: multiplication facts, Addition – with/without regrouping, Subtraction – with/without regrouping. All three skills are found in the following sites.
1. http://www.mathsisfun.com/ - choose activities by skill.
2. http://www.aaamath.com/ - choose activities by skill or grade.
3. http://www.harcourtschool.com/hspmath/na/index.html - accompanies the textbook, choose activities by skill or grade.
4. http://teacher.scholastic.com/activities/clf/tguidesitemap.htm - choose activities by grade range.
5. http://www.apples4theteacher.com/math.html -Elementary and Preschool Math Activities, Educational and Interactive Online Kids Math Games and Lessons