This resource site should help teachers and particularly parents understand education for third grade students. This should help in second grade since the target is clear and in 4th grade since we know what they should know.
And it particularly helps guide parents and teachers in planning out a third grade curriculum which covers langauge arts (reading and writing), math, science, and social studies.
While this website has some original thinking and an independent voice on third grade it is, and this is a legal disclosure, heavily indebted and supportive of the a number of educational services and websites which are also owned by the Vkidz Educational Company.
I’d like to mention that they have a: