Build a strong foundation in number sense with this Factors, Prime & Composite Numbers Complete Digital Lesson, designed for Grades 4–6 and aligned to CCSS 4.OA.B.4, 5.NBT, 6.EE.1, and 6.NS.4. This editable, no-prep resource is perfect for direct instruction, review, or intervention within your numerical expressions unit. This lesson includes a digital lesson with guided notes, a formative assessment worksheet with answer key, and a supporting video lesson to reinforce understanding. Stud