Flip through the slides and identify each type of texture as monophonic, polyphonic, homophonic, or heterophonic.
Use this link to open the slides in separate window.
Open Music Theory, "Musical Texture" Worksheet
Music By Women: Explore the Database (Click on the Texture Filter on the left and search by type, including polyphony, homophony, homorhythmic, monophony)
Yale Musical Examples Database: See the "Timbre/Texture" tab at the bottom.
Robert Hutchinson, "Accompanimental Textures"
Sarah Louden, "Accompanimental Patterns" (sample accompaniments). See MuseScore file here.