Level 5 is for Fifth Grade and is built on several curriculum focal points:   Developing an understanding of and fluency with division of whole number.   Understand addition and subtraction of fractions and decimals.   Describing three-dimensional shapes and analyze their properties, including volume and surface area.   This level has a number of skills and strategies:   Solve simple equations and inequalities.     Create graphs of simple equations.     Explore prime and composite numbers.     Discover concepts related to the addition and subtraction of fractions.     Use factors and multiples, including applications of common factors and common multiples.     Solve problems requiring attention to both approximation and precision of measurement.     Construct and analyze double-bar and line graphs and use ordered pairs on coordinate grids.