This engaging Eureka Math Grade 2 Module 1, Lesson 4 resource focuses on helping students build fluency with the make-a-ten strategy to add within 20. Students practice breaking apart numbers and composing a ten to solve addition problems efficiently, strengthening their number sense and mental math skills. The lesson includes a variety of interactive components such as fluency practice with tens and ones, “make ten” activities, and working toward the next ten using tools like rekenreks and