Grade 4 Geometry Worksheets - free & printable | K5 Learning Free geometry worksheets Our grade 4 geometry worksheets cover topics such as classifying angles, triangles and quadrilaterals, areas and perimeters and coordinate grids. Sample Grade 4 Geometry Worksheet More geometry worksheets Browse all of our geometry worksheets, from the basic shapes through areas and perimeters, angles, grids and 3D shapes.