⭐ This 4th grade Factors, Multiples, Prime and Composite Numbers Math Unit includes anchor charts, worksheets, practice pages, manipulatives, test review, and an assessment. Students learn and practice finding practice pairs, identifying multiples, and classifying prime and composite numbers. Students practice these skills using various strategies, including visuals, arrays, manipulatives, models, and more. This math unit aligns with 4.OA.B.4 but can be used in any classroom to develop the follo