Pipo teach math to children with their addition and subtraction random, so operations are endless and the kids will not get bored by repeating.
This way of teaching is unique in that operations are held with Spanish voice for children are more attentive and entertaining. Your kids will be entertained while solving math it faces.
The operations are random, which means that they are infinite, thus avoiding the boredom of repeating the same addition and subtraction.
It has two levels of difficulty for each of the operations, addition and subtraction.