Splash Math Apps for iOS
SplashMath is a fun and innovative way to practice math. With 140+ adaptive worksheets with virtually infinite problems spanning across 10 chapters, Splash Math covers the math curriculum for Grades 1-4. It is by far the most comprehensive math workbook in the app store. All the included problems are aligned with the common core standards. Each is available on this website.
There is a separate app for each grade. iPhone apps are $4.99 and iPad apps are $9.99