Resources - Online Practice

Arithmetic Lessons:

6th grade: http://aaamath.com/grade6.htm

7th grade: http://aaamath.com/grade7.htm

8th grade: http://aaamath.com/grade8.htm

Interactive Math Dictionary:

http://www.amathsdictionaryforkids.com/

Academics + Arcade = Fun Learning:

http://www.arcademicskillbuilders.com/

Basic Math:

http://www.basic-mathematics.com/

Connected Mathematics Project:

6th grade games: http://connectedmath.msu.edu/CD/Grade6/index.html

7th grade games: http://connectedmath.msu.edu/CD/Grade7/index.html

8th grade games: http://connectedmath.msu.edu/CD/Grade8/index.html

Cool Math:

http://www.coolmath.com/0-math-help-lessons.html

Houghton-Mifflin eGlossary:

http://www.eduplace.com

Illustrative Mathematics:

http://www.illustrativemathematics.org/standards/k8

Khan Academy:

https://www.khanacademy.org/commoncore/map

Math Playground:

http://www.mathplayground.com/index.html

Core Math Tools, downloadable:

http://www.nctm.org/resources/content.aspx?id=32702

National Library of Virtual Manipulatives:

http://nlvm.usu.edu/

XtraMath:

https://xtramath.org/

An awesome program for identifying gaps and teaching those concepts (paid subscription):

www.ALEKS.com