http://gamequarium.org/readquarium/homophones.html

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

http://www.learninggamesforkids.com/vocabulary_games/homophones-games.html

http://www.internet4classrooms.com/skill_builders/homonyms_language_arts_fourth_4th_grade.htm

http://a4esl.org/q/h/homonyms.html

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

http://teacher.scholastic.com/activities/adventure/grammar5.htm#

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

http://www.free-training-tutorial.com/comparing-numbers-games.html

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

http://www.toonuniversity.com/flash.asp?err=509&engine=9

http://www.free-training-tutorial.com/ordering-numbers-games.html

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

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

http://www.myteacherpages.com/webpages/MrsThonus/math.cfm?subpage=364980

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

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

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

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

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

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

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

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

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

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

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

http://nlvm.usu.edu/en/nav/frames_asid_159_g_2_t_1.html?from=grade_g_2.html

http://nlvm.usu.edu/en/nav/frames_asid_105_g_2_t_1.html?from=grade_g_2.html

http://nlvm.usu.edu/en/nav/frames_asid_105_g_2_t_1.html?from=grade_g_2.html

http://nlvm.usu.edu/en/nav/frames_asid_102_g_2_t_1.html?from=grade_g_2.html

http://nlvm.usu.edu/en/nav/frames_asid_103_g_2_t_1.html?from=grade_g_2.html

http://gamequarium.com/fractions.html

http://www.learningplanet.com/sam/ff/index.asp

http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/fractions/level4.htm

http://www.conceptuamath.com/fractions.html

http://www.decimalsquares.com/dsGames/

http://www.math-play.com/decimal-math-games.html

http://www.free-training-tutorial.com/decimal-games.html

http://gamequarium.com/decimals.html

http://www.mrnussbaum.com/docrb1.htm

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

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

http://pbskids.org/cyberchase/games/ballparkestimation/

http://funschool.kaboose.com/formula-fusion/games/game_addition_attack.html

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

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

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

http://www.oswego.org/ocsd-web/games/SumSense/sumadd.html

http://www.oswego.org/ocsd-web/games/SpeedGrid/Addition/urikares.html

http://www.amblesideprimary.com/ambleweb/mentalmaths/additiontest.html

http://www.mathplayground.com/thinkingblocks.html

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

http://illuminations.nctm.org/ActivityDetail.aspx?ID=224

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

http://www.softschools.com/math/games/fishing_multi.jsp

http://www.softschools.com/math/games/mad_minute_math/multiplication/

http://www.softschools.com/math/multiplication/multiplication_drills_game/

http://www.mathplayground.com/thinkingblocks.html

http://www.amblesideprimary.com/ambleweb/mentalmaths/subtractiontest.html

http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub1res.html

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

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

http://www.playkidsgames.com/mathGames.htm

http://www.woodlands-junior.kent.sch.uk/maths/interactive/subtraction.htm

http://www.funbrain.com/math/

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

http://www.free-training-tutorial.com/subtraction-games.html

http://jmathpage.com/JIMSMeasurementlengthmassvolume.html

http://www.funbrain.com/measure/

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

http://www.pbs.org/parents/earlymath/grades_games_timetomove.html

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

http://www.kidsmathgamesonline.com/geometry/measurement.html

http://www.uen.org/3-6interactives/math.shtml

http://www.k-5mathteachingresources.com/Measurement-Interactive-Whiteboard-Resources.html

http://www.bigiqkids.com/MeasurementGame.shtml

http://www.bbc.co.uk/schools/ks2bitesize/maths/shape_space/measures/play.shtml

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

http://www.oswego.org/ocsd-web/games/StopTheClock/sthec4.html

http://www.uen.org/3-6interactives/math.shtml

http://www.k-5mathteachingresources.com/Measurement-Interactive-Whiteboard-Resources.html

http://www.homeschoolmath.net/online/clock.php

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

http://www.internet4classrooms.com/skill_builders/telling_time_math_third_3rd_grade.htm

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

http://www.youtube.com/watch?v=3cdT-e-y7lM

http://www.woodland.k12.mo.us/faculty/rgarner/Reading/Authors puropse.htm

http://fcit.usf.edu/fcat/strategies/ap/activity1.htm

http://kcs.kana.k12.wv.us:8910/ThirdGrade/3Authorspurpose.htm

http://wps.ablongman.com/long_long_rw_1/0,8256,1041232-,00.html

http://wps.ablongman.com/long_henry_er_1/0,7989,1130503-,00.html

http://www.studyzone.org/testprep/ela4/o/authorspurposep.cfm

http://www.studyzone.org/testprep/ela4/g/writeevaluatep.cfm

http://www.studyzone.org/testprep/ela4/j/authorspurposel.cfm

http://www.studyzone.org/testprep/ela4/j/authorpurposep.cfm

http://www.quia.com/ba/72070.html

http://www.citycol.com/basic_skills/Quizzes/Purpose/reading_purpose.htm

http://www.hbschool.com/activity/trophies/rsr/build1/RR_e_4_20.htm

http://www.manatee.k12.fl.us/sites/elementary/samoset/ccdirect.htm

http://www.english-zone.com/vocab/vic02.html

http://scc.losrios.edu/~langlit/reading/contextclues/intro1.htm

http://www.softschools.com/quizzes/language_arts/drawing_conclusions_reading_comprehension/quiz1286.html

http://www.internet4classrooms.com/skill_builders/main_idea_language_arts_fourth_4th_grade.htm

http://www.gamequarium.com/readquarium/skillsi-p.html

http://www.manatee.k12.fl.us/sites/elementary/samoset/mainideaprac.htm

http://www.studyzone.org/testprep/ela4/h/mainideap24.cfm

http://www.studyzone.org/testprep/ela4/h/mainideap3.cfm

http://www.harcourtschool.com/activity/book_buddy/rosie/skill_pre.html

http://science.pppst.com/scientificmethod.html

http://www.quia.com/jg/65726.html

http://www.brainpop.com/science/scientificinquiry/scientificmethod/preview.weml

http://www.explorelearning.com/index.cfm?method=cResource.dspDetail&ResourceID=614

http://www.explorelearning.com/index.cfm?method=cResource.dspDetail&ResourceID=650

http://www.eia.gov/kids/index.cfm

http://www.funderstanding.com/coaster

http://phet.colorado.edu/en/simulation/energy-skate-park

http://www.bbc.co.uk/schools/scienceclips/ages/10_11/forces_action.shtml

http://www.bbc.co.uk/schools/scienceclips/ages/6_7/forces_movement.shtml

http://www.tryscience.org/experiments/experiments_newtonseggs_online.html

http://www.engineeringinteract.org/resources/parkworldplot/parkworldplotlink.htm

http://www.iboard.co.uk/curriculum.htm?launch=2572#maths-year1numstrategy_yearreception

http://www.ngfl-cymru.org.uk/vtc/identify_forces/eng/Introduction/act1.swf

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

http://www.planetseed.com/flash/science/features/people/archery/en/game.htm?width=720&height=500&popup=true&terms=archery

http://science.pppst.com/motion.html

http://www.bbc.co.uk/schools/scienceclips/ages/8_9/friction_fs.shtml

http://www.energyville.com/?gclid=CJ_wwsG-vq8CFecSNAodtX8bwQ

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

http://invention.smithsonian.org/centerpieces/edison/default.asp

http://www.harcourtschool.com/activity/electromagnets/

http://www.fossweb.com/modules3-6/MagnetismandElectricity/activities/kitchen.html

http://www.fossweb.com/modules3-6/MagnetismandElectricity/activities/electromagnet.html

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

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

http://www.postdiluvian.org/~gilly/Schoolhouse_Rock/HTML/science/electricity.html?hienergy

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

http://www.woodlands-junior.kent.sch.uk/revision/Science/electricity.htm

http://science.pppst.com/electricity.html

http://www.sciencekids.co.nz/gamesactivities/electricitycircuits.html

http://www.sciencekids.co.nz/gamesactivities/circuitsconductors.html

http://www.sciencekids.co.nz/gamesactivities/magnetssprings.html

http://www.bbc.co.uk/schools/scienceclips/ages/6_7/electricity.shtml

http://www.andythelwell.com/blobz/

http://gwydir.demon.co.uk/jo/elect/index.htm

http://www.bbc.co.uk/schools/scienceclips/ages/9_10/life_cycles.shtml

http://www.kidwings.com/owlpellets/flash/v4/index.htm

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

http://www.softschools.com/quizzes/science/ecosystems/quiz460.html

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

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

http://urbanext.illinois.edu/woods/01.html

http://www.bbc.co.uk/schools/scienceclips/ages/10_11/interdependence.shtml

http://www.bbc.co.uk/schools/scienceclips/ages/8_9/habitats.shtml

http://www.bbc.co.uk/schools/scienceclips/ages/6_7/plants_animals_env.shtml

http://www.vtaide.com/png/foodchains.htm#create

http://www.mcgrawhill.ca/school/applets/bcscience7/predator/index.htm

http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/assets/flash/chain_reaction.swf

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

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

http://teacher.scholastic.com/activities/explorer/ecosystems/be_an_explorer/map/form_wildcats.htm

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

http://scholastic.com/magicschoolbus/games/habitat/index.htm

http://www.epa.gov/recyclecity/index.htm

http://www.ecokids.ca/pub/eco_info/topics/climate/adaptations/index.cfm

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

http://library.thinkquest.org/J001644F/

http://science.pppst.com/weather.html

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

http://teacher.scholastic.com/activities/wwatch/sim/game.htm

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/

http://science.pppst.com/weather.html

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

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

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

http://www.virginiatrekkers.com/Yorktown/Rivers.html

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

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

http://www.quia.com/rr/35702.html

http://www.quia.com/rr/61676.html

http://www.quia.com/jg/446459.html

http://www.quia.com/quiz/268601.html

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

http://frco.k12.va.us/va_child/American%20Revolution%20Webpage/Revolution_games.htm