The document provides guidance on how to plan an effective lesson for teaching mathematics to preschool students. It recommends 1) choosing an appropriate topic, 2) writing a measurable objective stating what students will be able to do, 3) listing required materials, 4) outlining lesson steps, 5) planning an assessment to evaluate understanding, 6) explaining how the lesson transitions to the next, and 7) leaving space to reflect on the lesson's effectiveness. The goal is to create a well-structured lesson that helps preschoolers learn mathematical concepts.