Final answer:
In a first-grade classroom, implementing songs, games, and learning stations with manipulatives are developmentally appropriate choices; they support cognitive and social development through enjoyable and hands-on activities.
Step-by-step explanation:
For a first-grade classroom, it would be developmentally appropriate to include songs and games to help students remember concepts. This approach aligns with their learning abilities and helps cement information through repetition and enjoyment. Learning stations with manipulatives are also highly suitable for this age group, as they encourage hands-on learning and concrete representation of concepts, which is crucial in the early stages of cognitive development. Among the options, these two are recommended for fostering a nurturing learning environment.
Conversely, peer critiques, watching a 30-minute video, and long periods of silent reading are not developmentally appropriate for first graders. Peer critiques might be too advanced for their social and cognitive levels, and lengthy videos and silent reading can be challenging for their attention spans and literacy skills at this stage.