➗ Decimal Operations Assessment | Add, Subtract, Multiply & Divide Decimals Quiz | 5th & 6th Grade MathAssess student mastery of decimal operations with this comprehensive Decimal Operations Assessment designed for 5th and 6th Grade math. This printable math resource evaluates students’ understanding of adding, subtracting, multiplying, and dividing decimals through a variety of rigorous activities that measure computation fluency, mathematical reasoning, estimation, and real-world problem-solv