Develop explanations and propose solutions supported by data and models.
Teachers can use 1.3A to sequence instruction on Develop explanations / propose solutions and monitor progress toward mastery.
With 1.3A, Grade 1 students practice Develop explanations / propose solutions in multiple representations and contexts.
Start with concrete or familiar examples, connect to prior knowledge, model a clear process, and provide checks for understanding aligned to 1.3A.
Standard 1.3A describes the essential skills and understandings for Develop explanations / propose solutions in Grade 1. It clarifies the learning outcomes and what successful work looks like.
It lays groundwork for the next grade by deepening accuracy and flexibility with Develop explanations / propose solutions, so students can tackle more complex problems later.
Use short exit tickets and tasks where students explain decisions, show multiple representations, or justify answers—directly aligned to 1.3A.
