Free iPad app: http://itunes.apple.com/us/app/grade-it!/id447735490?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/grade-it!/id447735490?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/teachers-aide-attendance-gradebook/id510174556?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/teachers-aide-attendance-gradebook/id510174556?mt=8&uo=4&at=10l6SU
Free iPad app: http://itunes.apple.com/us/app/math-pro!!!/id537249122?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/math-pro!!!/id537249122?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/fraction-math/id360528226?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/fraction-math/id360528226?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/itooch-middle-school-math/id521676063?mt=8&uo=4&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/itooch-middle-school-math/id521676063?mt=8&uo=4&at=10l6SU
Website: http://www.parenttoolkit.com/
Free iPhone app: https://itunes.apple.com/us/app/the-parent-toolkit/id902713521?mt=8&uo=4&at=10l6SU
Free Android Phone app: https://play.google.com/store/apps/details?id=com.nbcnews.parenttoolkit
Free iPad app: https://itunes.apple.com/us/app/math-word-problems-addition/id703753981?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/math-word-problems-addition/id698772777?mt=8&uo=4&at=10l6SU
Website: http://www.ck12.org/
Free Android Phone app: https://play.google.com/store/apps/details?id=org.ck12.app.practice
Free Android Tablet app: https://play.google.com/store/apps/details?id=org.ck12.app.practice
Google Chrome app: https://chrome.google.com/webstore/detail/ck-12/ilmbnmigihncgeckjgmkehcgkdeohkhl
Free iPad app: https://itunes.apple.com/us/app/ck-12-free-fun-way-to-learn/id909343639?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/ck-12-free-fun-way-to-learn/id909343639?mt=8&at=10l6SU
Website: http://www.lessonplans.com/
Website: http://skoolbo.com/