› preschool-worksheets-pdfFree Preschool Worksheets PDF - Planes & Balloons Preschool worksheets PDF to print. Here is a list of my free printable preschool worksheets and activities by skills they promote. Some of the activities are perfect for preschoolers age 3-4, others for older preschoolers 4-5. For instance, I wouldn’t start tracing letters with 3-year-olds until their fine motor skills are ready and matured.