General Sources
If you are looking for rich task web sites, these are some sources. Also See the Recommended Apps, Sites, Tools page and the individual CCSS pages.
NCTM Illuminations http://illuminations.nctm.org/Search.aspx?view=search&type=ac
The National Council of Teachers of Mathematics has many interactive math games across the Standards and grade levels on this site. Also has free apps for mobile devices: http://illuminations.nctm.org/content.aspx?id=3855.
Internet4Classrooms http://www.internet4classrooms.com/grade_level_help.htm
Choose a grade level then Math. Sites are divided by concept. They have a section aligned to the Common Core Math Standards at https://www.internet4classrooms.com/common_core/math_mathematics.htm?sl=newsletter_may_2013.
IXL Math: Topics http://www.ixl.com/math/topics
Choose a topic then a grade level skill. "IXL will track your score, and the questions will automatically increase in difficulty as you improve!"
Math Sites by RIT: Various school districts have created links to activities by NWEA MAP RIT level
Math is Fun http://www.mathsisfun.com/
"Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents."
BrainPOP BrainUP https://www.brainpop.com/games/
Free games covering math concepts as well as other curriculum topics
BBC School: Bitesize Math http://www.bbc.co.uk/schools/ks2bitesize/maths/
Multimedia games covering a variety of math concepts.
Topmarks Education http://www.topmarks.co.uk/
Games and whiteboard activities.
Harcourt School Math http://www.hbschool.com/thinkmath/index.html
Videos and activities reinforce math concepts.
ABCya http://www.abcya.com/
Pick a grade level then scroll to the Math activities
Mr. Nussbaum's Math Lab http://mrnussbaum.com/mathcode/
This large collection of activities includes drag-and-drop math practice, math games, calculators, and a worksheet generator. The math games are color coded to indicate grade level. A good choice for interactive whiteboard lessons. Many games are optimized for mobile devices as well.
Sheppard Software: Math http://www.sheppardsoftware.com/math.htm
Interactive games and tutorials organized by concept.
Oswego Interactive Games http://resources.oswego.org/games/
Practice math facts, telling time, sequencing, coordinates, skip counting, fractions, and more.
Mr. Maffesoli http://www.mrmaffesoli.com/
Mr. Maffesoli teaches 5th Grade in Melvindale, Michigan. If you click on the "Teachers" button at the top, he has organized his links to math sites by both GLCEs and CCSS.
NCTM Illuminations http://illuminations.nctm.org/Search.aspx?view=search&type=ac
The National Council of Teachers of Mathematics has many interactive math games across the Standards and grade levels on this site. Also has free apps for mobile devices: http://illuminations.nctm.org/content.aspx?id=3855.
Internet4Classrooms http://www.internet4classrooms.com/grade_level_help.htm
Choose a grade level then Math. Sites are divided by concept. They have a section aligned to the Common Core Math Standards at https://www.internet4classrooms.com/common_core/math_mathematics.htm?sl=newsletter_may_2013.
IXL Math: Topics http://www.ixl.com/math/topics
Choose a topic then a grade level skill. "IXL will track your score, and the questions will automatically increase in difficulty as you improve!"
Math Sites by RIT: Various school districts have created links to activities by NWEA MAP RIT level
- http://www.linnmar.k12.ia.us/schools/westfield/westweb/NWEA_Math_RIT_Sites.html
- http://www.fredon.org/student-resources/rit-games
- http://www.belleplaine.k12.mn.us/page/3028
- http://www.sowashco.org/ro/pages/studentlinks/map/
Math is Fun http://www.mathsisfun.com/
"Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents."
BrainPOP BrainUP https://www.brainpop.com/games/
Free games covering math concepts as well as other curriculum topics
BBC School: Bitesize Math http://www.bbc.co.uk/schools/ks2bitesize/maths/
Multimedia games covering a variety of math concepts.
Topmarks Education http://www.topmarks.co.uk/
Games and whiteboard activities.
Harcourt School Math http://www.hbschool.com/thinkmath/index.html
Videos and activities reinforce math concepts.
ABCya http://www.abcya.com/
Pick a grade level then scroll to the Math activities
Mr. Nussbaum's Math Lab http://mrnussbaum.com/mathcode/
This large collection of activities includes drag-and-drop math practice, math games, calculators, and a worksheet generator. The math games are color coded to indicate grade level. A good choice for interactive whiteboard lessons. Many games are optimized for mobile devices as well.
Sheppard Software: Math http://www.sheppardsoftware.com/math.htm
Interactive games and tutorials organized by concept.
Oswego Interactive Games http://resources.oswego.org/games/
Practice math facts, telling time, sequencing, coordinates, skip counting, fractions, and more.
Mr. Maffesoli http://www.mrmaffesoli.com/
Mr. Maffesoli teaches 5th Grade in Melvindale, Michigan. If you click on the "Teachers" button at the top, he has organized his links to math sites by both GLCEs and CCSS.