Here are some screenshots to illustrate the features and user interface of this application:
Play math challenges with voice feedback. Screenshot of MathCards - 543px · 339pxMathCards: User interface. Screenshot of MathCards - 543px · 438pxScreenshot of MathCards - Size: 543px · 339pxScreenshot of MathCards - Size: 400px · 300pxScreenshot of MathCards - Size: 612px · 339pxScreenshot of MathCards - Size: 543px · 438px