Math Addition Subtraction description

Math addition and subtraction games for kids.
now you can practice addition and subtraction
exercises for kids at school.
all you have to do is to select the right answer.
solve exercises online.
you can test your arithmetic skills!
good app for teachers and parents.
improve your math potential.
for phone and tablet.

the main features:
- subtracting numbers.
- score.
- level change automatically.
- time level.
- lovely graphics.
- simple to use.
- It's free