Round to nearest 10 or 100 or use compatible numbers to estimate.
In Mathematics, 3.4B defines what success looks like for Estimate sums/differences—from core skills to real‑world use.
TEKS 3.4B bridges prior learning and next steps in Mathematics, keeping Estimate sums/differences coherent across the year.
Students may rely on procedures without reasoning or mix key terms. Build in quick oral explanations, error analysis, and vocabulary supports tied to 3.4B.
Start with concrete or familiar examples, connect to prior knowledge, model a clear process, and provide checks for understanding aligned to 3.4B.
Standard 3.4B describes the essential skills and understandings for Estimate sums/differences in Grade 3. It clarifies the learning outcomes and what successful work looks like.
It lays groundwork for the next grade by deepening accuracy and flexibility with Estimate sums/differences, so students can tackle more complex problems later.
