A third-grade teacher is creating a language arts lesson to address the following standard: Engage effectively in a range of collaborative discussions (one-on-one, in groups, and teacher-led) with diverse partners on grade three topics and texts, building on others' ideas, and expressing their own clearly.The teacher plans for students to read a short story at the third grade reading level, and then will place students in small heterogenous groups to discuss the characters in the story. Which statement describes how the lesson plan aligns to the standard?1. Students are participating in a teacher-led discussion.2. Students are engaging in a peer discussion in diverse groups.3. Students are working independently to understand the characters.4. Students are reading material that is age-appropriate for third-grade

In the context, the teacher of a third grade is discussing a language art lesson and reads a story to the students and they place these students in a small heterogeneous group to talk and discuss about the characters mentioned in the story.

In this way, the teacher is engaging them effectively in the range of a collaborative discussions with diverse members in the group of grade three.

Thus the correct option is (2).