CardDroid Math Flash Cards
by WhitneyApps
- Colorful, Interactive Flashcards for Addition, Subtraction, Multiplication, Division Math Facts, Great for Kindergarten, 1st Grade, 2nd Grade, 3th Grade, 4th Grade, Lots of built-in problem sets & 10 Common Core Standards, Customize difficulty, problems, colors, sounds, time limits, Animated rewards / micro-games on perfect screens