accessible math applications
Math Melodies is a very good app for teaching math to students. It comes with fun gameplay where you have to solve different math puzzles to achieve something. It is in the game and education category.
EX: Let's say that you were trapped. You will need to solve a math problem to get out of the trap.
The app includes Adding, Subtracting, Multiplying, Dividing, Fractions, and tons more.