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Free iPhone app: http://itunes.apple.com/us/app/motion-math-hungry-fish/id483049169?mt=8&uo=4&at=10l6SU
Website: http://illuminations.nctm.org/ActivityDetail.aspx?ID=207
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Free iPhone app: https://itunes.apple.com/us/app/deep-sea-duel/id547246887?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=air.AndroidPublish
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Paid iPhone app: http://itunes.apple.com/us/app/motion-math/id392489333?mt=8&uo=4&at=10l6SU
Edmodo app: http://www.edmodo.com/publisher/motionmath
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Paid iPhone app: https://itunes.apple.com/us/app/math-bingo/id371338715?mt=8&uo=4&at=10l6SU
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Paid Android Phone app: https://play.google.com/store/apps/details?id=com.palasoftware.mathboard
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Paid iPad app: https://itunes.apple.com/us/app/measurement-hd/id452493138?mt=8&uo=4&at=10l6SU
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Free iPad app: https://itunes.apple.com/us/app/geoboard-by-math-learning/id519896952?mt=8&uo=4&at=10l6SU
Website: http://www.mathlearningcenter.org/web-apps/geoboard/
Google Chrome app: https://chrome.google.com/webstore/detail/geoboard-by-the-math-lear/gaakmmdiopnmcenkojohldanladpajak
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Free iPhone app: https://itunes.apple.com/us/app/motion-math-wings/id508228412?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/motion-math-wings/id508228412?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/montessori-numbers-for-kids/id547209737?ls=1&mt=8&uo=4&at=10l6SU
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Free iPad app: https://itunes.apple.com/us/app/maths-age-4-6/id509457434?mt=8&uo=4&at=10l6SU
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Website: http://illuminations.nctm.org/ActivityDetail.aspx?ID=219
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Free iPad app: https://itunes.apple.com/us/app/google-earth/id293622097?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/google-earth/id293622097?mt=8&uo=4&at=10l6SU
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Free Mac program: http://www.google.com/earth/download/
Free Windows program: http://www.google.com/earth/download/
Google Chrome app: http://www.google.com/earth/explore/products/plugin.html
Mozilla Firefox extension: http://www.google.com/earth/explore/products/plugin.html
Apple Safari extension: http://www.google.com/earth/explore/products/plugin.html
Website: http://www.youtube.com/education
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Paid iPhone app: http://itunes.apple.com/us/app/fractions-app/id387434956?mt=8&uo=4&at=10l6SU
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Paid iPhone app: https://itunes.apple.com/us/app/math-dojo-fun-math-for-kids/id542601241?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/number-pieces-by-math-learning/id605433778?mt=8&uo=4&at=10l6SU
Google Chrome app: https://chrome.google.com/webstore/detail/number-pieces-by-the-math/fhcpnppigjdhghbohcbogmmhmfkobgbm
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Free iPhone app: https://itunes.apple.com/us/app/mathtappers-multiples-math/id371520443?mt=8&uo=4&at=10l6SU
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Paid iPhone app: https://itunes.apple.com/us/app/king-of-math-full-game/id545625741?mt=8&uo=4&at=10l6SU
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Paid iPhone app: https://itunes.apple.com/us/app/connect-sums-math-doodles/id555216734?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/sums-stacker/id343251346?mt=8&uo=4&at=10l6SU
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Paid iPhone app: https://itunes.apple.com/us/app/numberstax/id470460653?mt=8&uo=4&at=10l6SU
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Free iPad app: https://itunes.apple.com/us/app/mathbeat-free/id651402522?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/mathbeat-free/id651402522?mt=8uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/lobster-diver-hd/id416610863?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/slatemath-for-kids-kindergarten/id589371294?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/inclusion/id597281126?mt=8&uo=4&at=10l6SU
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Free iPad app: https://itunes.apple.com/us/app/wuzzit-trouble/id600190128?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/wuzzit-trouble/id600190128?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/finger-numbers-multitouch/id455497654?mt=8&uo=4&at=10l6SU