In this math assessment workbook, students are tasked with identifying prime and composite numbers, finding equivalent and like fractions, simplifying fractions, and converting simple fractions to their decimal equivalents. The unit emphasizes understanding the characteristics of different numbers and fractions, as well as performing basic operations with fractions and conversions. The common core skills covered in this unit include understanding and applying knowledge of prime and composite numbers, equivalent fractions, fraction simplification, fraction-decimal conversions, and identifying relationships between fractions.