http://www.ezschool.com/Games/Compare.html

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http://math.pppst.com/comparing.html

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

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http://www.internet4classrooms.com/skill_builders/place_value_math_third_3rd_grade.htm

http://www.mrnussbaum.com/placevaluepirates1.htm

http://www.free-training-tutorial.com/rounding/rounding-spaceships.html

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http://www.woodlands-junior.kent.sch.uk/maths/shape.htm#Shapes

http://www.crickweb.co.uk/ks2numeracy-calculation.html#nbKS2

http://www.math-play.com/One-Step-Equation-Game.html

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http://www.onlinemathlearning.com/decimal-games.html

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http://www.softschools.com/math/addition/balance_equations/

http://www.funbrain.com/cgi-bin/mb.cgi?A1=start1&A2=3&ALG=0&INSTRUCTS=1

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http://www.shodor.org/interactivate/activities/ColoringRemainder/

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http://www.mrnussbaum.com/measurement.htm

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http://www.webrangers.us/activities/edison/?id=07

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http://pbskids.org/dragonflytv/games/game_balance.html

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http://elcerritowire.com/4/ecosystems.htm

http://www.ecokids.ca/pub/index.cfm

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http://www.harcourtschool.com/activity/food/food_menu.html

http://www.kidsknowit.com/interactive-educational-movies/free-online-movies.php?movie=Food%20Chains

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http://www.harcourtschool.com/activity/exploring_ecosystems/index.html

http://www.funbrain.com/cgi-bin/shtml.cgi?A1=../recycle/index.html

http://www.switchzoo.com/games/habitatgame.htm

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http://animals.pppst.com/adaptations.html

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http://www.edheads.org/activities/weather/

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http://www.powertolearn.com/games/weatherflash.html

http://www.epa.gov/safewater/kids/flash/flash_watercycle.html

http://weather.weatherbug.com/weather-education/exploration_zone.asp?focus=2

http://www.ready.gov/kids

http://www.theweatherchannelkids.com/

http://www.scholastic.com/kids/weather/

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http://www.ngfl-cymru.org.uk/vtc/earth_and_space/eng/Introduction/default.htm

http://www.woodlands-junior.kent.sch.uk/time/moon/interactive.html

http://www.bbc.co.uk/schools/ks2bitesize/science/physical_processes.shtml

http://www.harcourtschool.com/activity/moon_phases/index.html

http://www.educationalrap.com/61/sun-earth-moon.html

http://www.bbc.co.uk/schools/ks2bitesize/science/physical_processes/earth_sun_moon/play.shtml

http://www.sciencenetlinks.com/interactives/moon/moon_challenge/moon_challenge.html

http://www.nasa.gov/audience/forkids/kidsclub/flash/games/levelfive/KC_Solar_System.html

http://pbskids.org/dragonflytv/games/game_planetary.html

http://www.professorgarfield.org/pgf_kbkids.html

http://www.professorgarfield.org/pgf_kbkids.html

http://www.kidsastronomy.com/solar_system.htm

http://www.kidsastronomy.com/fun/make-a-solar-system.htm

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http://spaceplace.nasa.gov/solar-system-explorer/en/

http://science.pppst.com/space/solarsystem.html

http://www.nasm.si.edu/research/ceps/etp/etp.htm

http://amazing-space.stsci.edu/resources/explorations/impact/home.html

http://www.kidsites.com/sites-edu/space.htm

http://sciencenetlinks.com/interactives/messenger/psc/PlanetSize.html

http://www.engineeringinteract.org/resources/astroadventure/astroadventurelink.htm

http://www.solarsystemscope.com/

http://amazing-space.stsci.edu/resources/explorations/trading/directions.html

http://spaceplace.nasa.gov/

http://eclassroom.110mb.com/Games/vrignia_natural_resources__choose_it!.html

http://www.theweatherchannelkids.com/flash/games/watershed-worries/

http://www.depweb.state.pa.us/portal/server.pt/community/just_for_kids/13936

http://www.h2ohero.org/landing/games.htm

http://www.fergusonfoundation.org/hbf/raindrop_roadtrip/roadtrip.shtml

http://www.mywonderfulworld.org/toolsforadventure/games/family.html

http://www.virginiatrekkers.com/FallLine/Regions.html

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http://www.virginiatrekkers.com/FallLine/Activity.html

http://www.quia.com/pop/44050.html

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http://www.quia.com/jfc/446474.html

http://assignments.discoveryeducation.com/?cdPasscode=Q88AC-430B

http://www.virginiatrekkers.com

http://kids.nationalgeographic.com/kids/games/interactiveadventures/john-smith/

http://www.historyglobe.com/jamestown/popupwindow.html

http://www.pbs.org/wnet/secrets/previous_seasons/case_jamestown/pop_jamestown/index.html

http://ngm.nationalgeographic.com/2007/05/jamestown/jamestown-standalone

http://www.cnr.berkeley.edu/departments/espm/env-hist/espm160/assignments/jamestownall/jamesc_pan.htm

http://www.classbraingames.com/2009/12/jamestown-game/

http://www.historyisfun.org/jamestown-settlement.htm

http://www.history.com/search?search-field=Jamestown&asset-type=Videos

http://explorejamestown400.com/explore/

http://explorejamestown400.com/multimedia/videos/HistoricJamestowne.html

http://www.virtualjamestown.org/smith_voyages/jsmith_voyages.html

http://www.virtualjamestown.org/jamestown_development/settlement_v2.html

http://historicjamestowne.org/learn/interactive_exercises.php

http://cmcelraft.edublogs.org/jamestown/

http://www.quia.com/rr/35522.html

http://www.virginiatrekkers.com/Roanoke/PeopleGroups.html

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