Fun but...

This app is fun, but its very easy. Maybe in next update you could make it a bit more challenging.

Also, it says this app is for 4-8 year olds, but the way the animals talk and interact is very babyish.

I think you could expand the age range a bit. Maybe 4-9 year olds?

Mason613 about Moose Math - Duck Duck Moose, v1.0.2