These are free apps for 1st grade dealing with phonics, phonemic awareness, sight words, 1st grade reading and 1st grade math.
Free iPad app: http://itunes.apple.com/us/app/motion-math-zoom/id451793073?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/motion-math-zoom/id451793073?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/motion-math-hungry-fish/id483049169?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/motion-math-hungry-fish/id483049169?mt=8&uo=4&at=10l6SU
Website: http://www.brainnook.com/
Edmodo app: http://www.edmodo.com/publisher/brainnook
Paid iPad app: http://itunes.apple.com/us/app/factor-samurai/id441919897?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/factor-samurai/id441919897?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/in/app/tiny-chicken-learns-currency/id511250020?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/in/app/tiny-chicken-learns-math/id490114227?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/in/app/tiny-chicken-learns-math/id490114227?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/sas-flash-cards/id364784968?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/sas-flash-cards/id364784968?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/scholastic-storia/id491014756?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/1st-grade-math-splash-math/id463469532?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/1st-grade-math-splash-math/id456195301?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/watchknow-educational-videos/id423622049?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/watchknow-educational-videos/id423622049?mt=8&uo=4&at=10l6SU
Website: http://www.watchknowlearn.org/
Free iPad app: https://itunes.apple.com/us/app/mathtopia/id569333308?ls=1&mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/mathtopia+/id583383121?ls=1&mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/mathtopia/id569333308?ls=1&mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/mathtopia+/id583383121?ls=1&mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/mathmateer-free/id408770902?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/mathmateer/id393989284?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/mathmateer-free/id408770902?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/mathmateer/id393989284?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/playful-minds-math-5-8-years/id449569846?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/playful-minds-math-5-8-years/id449569846?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/kids-numbers-and-math/id471989878?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/kids-numbers-and-math/id471989878?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=zok.android.numbers
Website: http://www.pipogames.com/
Free iPhone app: https://itunes.apple.com/us/app/doodle-buddy-paint-draw-scribble/id313232441?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/doodle-buddy-for-ipad-paint/id364201083?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/king-of-math-junior/id579528355?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/king-of-math-junior/id579528355?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/king-of-math-junior-free/id605752286?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/king-of-math-junior-free/id605752286?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/clockwork-puzzle-learn-to/id541556830?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/clockwork-puzzle-learn-to/id541556830?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/storypanda-books-making-kids/id521512463?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/abc-spelling-magic-short-vowel/id429301553?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/abc-spelling-magic-short-vowel/id429301553?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/abc-spelling-magic-2-consonant/id438133737?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/abc-spelling-magic-2-consonant/id438133737?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/abc-spelling-magic-3-blends/id446294881?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/abc-spelling-magic-3-blends/id446294881?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/app/oh-no-fractions!-curious-hat/id593418681?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/app/oh-no-fractions!-curious-hat/id593418681?mt=8&uo=4&at=10l6SU