select three pre-school number sense mathematical operations. develop a lesson based on your preschool number sense. consider how to create objectives that measure students' actions and incorporate differentiated learning to meet the needs of students at, above, and below grade level. As you develop your lesson, consider how you would scaffold this lessen and future lessons. write a 250 word summary of What knowledge and skills would need to be taught before this lesson to make sure students are able to retain the content and What lessons would logically be taught after this lesson to take students to the next level of understanding as well as How would you differentiate to meet the needs of students above and below grade level