Describe how availability or scarcity of resources impacts cost.
This standard clarifies expectations for Scarcity & cost so lesson goals, checks for understanding, and feedback stay aligned.
Standard 3.9B in Mathematics helps students understand Scarcity & cost and apply knowledge with confidence.
Standard 3.9B describes the essential skills and understandings for Scarcity & cost in Grade 3. It clarifies the learning outcomes and what successful work looks like.
Students may rely on procedures without reasoning or mix key terms. Build in quick oral explanations, error analysis, and vocabulary supports tied to 3.9B.
Start with concrete or familiar examples, connect to prior knowledge, model a clear process, and provide checks for understanding aligned to 3.9B.
It lays groundwork for the next grade by deepening accuracy and flexibility with Scarcity & cost, so students can tackle more complex problems later.
