I agree with Dottie. The sample tests (10 q's each) should give your child a handle on the actual test. There's no way to "cram" for this test, but familiarity has got to be helpful.
Our son is taking the sample SCAT at school next week for a "formal" timed environment, and then we'll work through any questions together after school. I'm betting on a decent score for verbal, and he'll also do well in math if he resists the temptation to try solving everything in his noggin.
He takes the official SCAT next Friday, and because the closest center still involves 3+ hrs of travel, he gets a day off from school and we'll find a blow-'em-up movie to indulge ourselves after testing.