read and write numbers from millions to thousandths;

http://www.funbrain.com/numwords/index.html

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

http://www.gamequarium.com/decimals.html

http://www.coolmath.com/decimals/index.html

http://www.eyepleezers.com/aaamath/dec.htm

http://cemc.uwaterloo.ca/mathfrog/english/kidz/addsubdec.shtml

http://cemc.uwaterloo.ca/mathfrog/english/kidz/orderdecimal6.shtml

http://pbskids.org/cyberchase/games/decimals/decimals.html

http://www.funbrain.com/tens/index.html

http://harcourtschool.com/activity/elab2004/gr5/1.html

http://www.studyzone.org/mtestprep/math8/d/million5l.cfm