Our curation of tests for first grade includes the CogAT test, the NNAT2 test and the OLSAT.
Cognitive Abilities Test (CogAT) Practice Exams and Training Materials
COGAT Grade 1 Training App for iPhone and iPad
CogAT Grade 1 Training Guide for Kindle on Amazon
CogAT Grade 1 Training Guide for Print on Amazon
Naglieri Non-Verbal Assessment Test (NNAT2) Practice Exams and Training Materials
NNAT2 Grade 1 Training App for iPhone and iPad