"Lucky for you, there's a printable PDF available here and embedded below that enumerates the various ways someone should use the iPad. It is a pretty general acceptable use policy for iPads and seems (to me at least) that it'd be perfect for a K-12 classroom. "
A interesting post about the place and value of formative assessment. It includes a long, printable list of assessment strategies will help identify new ways to check for understanding and verify what students have learned.
Provides teachers with classroom ideas, printable worksheet pages and interactive student activities across a number of curriculum areas including History, Art and English."
QR Stuff generates codes from the following Text, Website URL, Telephone Number, SMS Message, Email Address, Email Message, Contact Details (VCARD), Event (VCALENDAR)
Google Maps Location, Wifi Login (Android Only), Paypal Buy Now Link, Social Media , iTunes Link & YouTube Videos. You can also use their pay for service for other options eg t-shirts etc.
Math-Drills.Com includes over 6000 free math worksheets with answer keys.
Classroom teachers use the free math worksheets on this website to assess students' mastery of basic math facts, to give students extra practice, to teach new math strategies, and to save precious planning time.