Math Worksheets | Free and Printable Geometry worksheets help identify 2D and 3D shapes, rays, lines and line segments. Determine the area and perimeter of rectangles and polygons. Find surface area, volume, angles and more. Geometry Worksheets Pre-Algebra Prep-up with pre-algebra worksheets on fractions, decimals, integers, ratio, proportion, GCF and LCM, exponents and radicals.