Activities

http://ccins.camosun.bc.ca/~jbritton/jberatosapplet.htm Sieve of Eratosthenes - Watch the composite numbers disappear while the prime numbers stay in the sieve.

http://www.aplusmath.com/Games/index.html

Neat Matho, Hidden Picture, and Concentration games

http://www.coolmath4kids.com/mathgames/

Play Rush, Lemonade Stand, or any of the other cool games

http://www.halfbakedsoftware.com/quandary/v1/examples/castaway.htm

This is a neat maze where you need to use logic and problem solving skills.

Here is another maze

http://www.coolmath4kids.com/mathgames/arithmattack/index.html

Try to do 20 addition problems from 0 to 12 in 60 seconds

http://www.coolmath4kids.com/mathgames/arithmattack/index.html

Try to do 20 subtraction problems from 0 to 12 in 60 seconds

http://www.coolmath4kids.com/mathgames/arithmattack/index.html

Try to do 20 multiplication problems from 0 to 12 in 60 seconds

http://www.coolmath4kids.com/mathgames/arithmattack/index.html

Try to do 20 division problems from 0 to 12 in 60 seconds

http://www.coolmath4kids.com/mathgames/arithmattack/index.html

Try to do 20 random problems from 0 to 12 in 60 seconds

http://csaweb.yonsei.ac.kr/~rhee/2000/universe/power10.html

Click on the power of 10 you wish to view

http://microcosm.web.cern.ch/Microcosm/P10/english/P-6.html

Use the ruler to select the power of 10 you wish to view

http://www.mathcats.com/explore/polygonplayground.html

Create a design that tesselates

http://www.mathcats.com/microworlds/whatacrowd.html

Estimate the crowd until you earn 200 points

http://www.visualfractions.com/FindGrampy.html

Find Grampy 10 times

http://www.visualfractions.com/FindGrampstrict.html

Find Grampy 10 times. Has to be a mixed number in lowest terms.

Select one of the activities. The 3rd grade concentration game is cool.

http://www.puzzlemaker.com/