This document serves as a pre-assessment for 4th and 5th grade students, focusing on fundamental mathematical concepts such as whole numbers, decimals, fractions, and their operations. It is divided into several parts, each addressing different skill sets: starting with whole number operations including multiplication and division, followed by understanding place values of decimals, adding and subtracting decimals, operations with fractions, and finally, applying these skills to solve word problems. Each section includes specific problems designed for students to demonstrate their understanding of the material, encouraging them to show their work and think critically about mathematical reasoning.