
Measuring Perimeter
Learn how to estimate and measure the distance around polygons using standard units.
About This Topic
Learn how to estimate and measure the distance around polygons using standard units.
Key Questions
- What is perimeter and how do we measure it?
- How can we find the perimeter of a polygon using standard units?
- Why might we need to know the perimeter of a space in real life?
Active Learning Ideas
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Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
Unit PlannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
RubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
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