UPick Subtraction Flashcards
UPick Subtraction is an easy, fun way to learn and practice basic subtraction.
UPick the problem set from the UPick Table, then UPick the practice screen (pick from 3 different screens).
Test your overall knowledge by picking Quiz Me Now.
Easy-to-use, with colorful visuals.
Universal app, compatible with iPhone 4, iPhone 4S, iPhone 5, iPad 2 and mini, iPod touch (3rd, 4th, and 5th generations).
Requires iOS 6.1 or later.