Unit 5 builds strong number sense by deepening students’ understanding of comparing and composing numbers within 10. Students begin by comparing numbers within 10 and then move into composing 6 & 7 and composing 8 & 9, with each week intentionally building on the last. Lessons follow the FLAME routine, including subitizing, visual and auditory drills, number talks, counting practice, and a focused new concept or review. This unit includes over 1,300 slides of structured, developmentally appropr