These are supposed to be educational and in the grade 3-4 range. Some may be a bit more difficult. A couple may be a bit easy but they looked ok, too.
I think these are all free. If any are paid apps, just skip them and let me know so I can update my list to include only free apps.
- Google Sky Map https://market.android.com/details?id=com.google.android.stardroid
- Classics – The Secret Garden – Page 1 – Wattpad http://www.wattpad.com/19760-the-secret-garden
- app: Algebra Quiz & Challenge http://101bestandroidapps.com/app/Algebra-Quiz-Challenge/2438/
- app: AppleQuest http://101bestandroidapps.com/app/AppleQuest/2428/
- Brain Exerciser – Android Apps on Google Play https://play.google.com/store/apps/details?id=com.sergfa.mathmadness&feature=related_apps#?t=W251bGwsMSwyLDEwOSwiY29tLnNlcmdmYS5tYXRobWFkbmVzcyJd
- Math Workout – Android Apps on Google Play https://play.google.com/store/apps/details?id=com.akbur.mathsworkout&feature=related_apps#?t=W251bGwsMSwyLDEwOSwiY29tLmFrYnVyLm1hdGhzd29ya291dCJd
- Socratica http://socratica.com
- Cut the Rope – App Review http://www.commonsensemedia.org/mobile-app-reviews/cut-rope
- iStory Books https://market.android.com/details?id=com.infomarvel.istorybooks
- Free Google Android 2.2.1 Word Attack App Download in Word Tag http://www.freeware4android.net/google-android-2-2-1-device-1909/word-games-tag/word-attack-download-40234.html
- Free Google Android 2.2.1 7 Little Words for Android App Download in Word Tag http://www.freeware4android.net/google-android-2-2-1-device-1909/word-games-tag/7-little-words-for-android-download-97771.html
- Classics Stories – Read Free Classics Stories and Books – Wattpad http://www.wattpad.com/stories/classics
- Free Google Android 2.2.1 100000 Free Books – Wattpad App Download in Ebooks Tag http://www.freeware4android.net/google-android-2-2-1-device-1909/ebooks-tag/100000-free-books-wattpad-download-91057.html
- Free Google Android 2.2.1 Google Books (Android) App Download in Ebooks Tag http://www.freeware4android.net/google-android-2-2-1-device-1909/ebooks-tag/google-books-android-download-94296.html
- Listen to the Web With the Vocalyze Android App http://www.android4schools.com/2012/01/16/listen-to-the-web-with-the-vocalyze-android-app/
- Free Google Android 2.2.1 Audible for Android App Download in Ebooks Tag http://www.freeware4android.net/google-android-2-2-1-device-1909/ebooks-tag/audible-for-android-download-132190.html
- Skitch – Android Apps on Google Play https://play.google.com/store/apps/details?id=com.evernote.skitch
engineering 4 kids 