Use place value to find 10 or 100 more or less than a given number up to 1,200.
For Grade 2, this standard focuses on 10 or 100 more/less and prepares learners for increasingly complex tasks.
Standard 2.7B in Mathematics helps students understand 10 or 100 more/less and apply knowledge with confidence.
Use short exit tickets and tasks where students explain decisions, show multiple representations, or justify answers—directly aligned to 2.7B.
It lays groundwork for the next grade by deepening accuracy and flexibility with 10 or 100 more/less, so students can tackle more complex problems later.
Students may rely on procedures without reasoning or mix key terms. Build in quick oral explanations, error analysis, and vocabulary supports tied to 2.7B.
Standard 2.7B describes the essential skills and understandings for 10 or 100 more/less in Grade 2. It clarifies the learning outcomes and what successful work looks like.
