Cyberchase is the online home of the popular PBS kids show, featuring math activities, videos, and games.
http://pbskids.org/cyberchase/
Check out, Cut the Knot this site offers dozens of challenging math puzzles and problems to stump even the most seasoned mathematician.
http://www.cut-the-knot.org/index.shtml
Visit, Figure This! The site that challenges students in multiple mathematical disciplines; algebra, geometry, measurement, numbers, and probability from the National Council of Teachers of Math.
http://figurethis.nctm.org/challenges/math_index.htm
A website devoted to original mathematical creations MathMagic asks,.”Have a stumper of your own? Submit it, and see if anyone can solve it."
https://www2.stetson.edu/~efriedma/mathmagic/
Visit, the TedEd Mathematics Videos Archive to see dozens of videos on mathematical concepts and quandaries, in the trademark style of TedEd.
http://ed.ted.com/lessons?category=mathematics
Are you looking for information on famous mathematicians? This site, offers short biographical snippets of over two dozen famous mathematicians. An excellent place to find a mathematical role model.
http://famous-mathematicians.org/
Visit, famous-mathematicians.org to learn more about the Top Ten Female Mathematicians.
http://www.famous-mathematicians.com/top-10-female-mathematicians-time/
Learn how to create, and run your own Math Scavenger Hunt Discover mathematical concepts broken down by age and developmental level.
http://www.envisionexperience.com/blog/math-scavenger-hunt
Mathematicians may work on problems for their entire life working on math problems. View, Wolfram Alpha’s Famous Math Problems to see a list of mathematical problems that have been solved & those that have not been solved.
http://www.wolframalpha.com/examples/mathematics/famous-math-problems/
Visit the Khan Academy for access to their free online courses, lessons and practice for every course and age group.
Visit Hooda Math to play educational math games that promote learning organized by grade level and math subjects.
Visit the Kids Math Games Online to access worksheets, videos, and quizzes covering various mathematical areas.
https://www.kidsmathgamesonline.com/facts/history.html
Visit Math Pickle for access to puzzles, games, and mini competitions organized by grade levels.