Grade 4 Geometry and Measurement focuses on the following topics: Read and write fractions and decimals on a number line Understand and apply concepts of lines, angles, and circles Draw two-dimensional figures Measure and find the area and perimeter of rectangular shapes using appropriate units Measure volume using standard cubic units Measure surface area of cubes and rectangular prisms by adding up the area of the faces Calculate elapsed time in hours and half hours Calculate elapsed time in days and weeks