Heron's Formula
Calculating the area of a triangle using Heron's formula when all three sides are known. Students apply this to find the area of quadrilaterals.
About This Topic
Calculating the area of a triangle using Heron's formula when all three sides are known. Students apply this to find the area of quadrilaterals.
Key Questions
- How can we find the area of a scalene triangle?
- What is the semi-perimeter of a triangle?
- How is Heron's formula applied to quadrilateral fields?
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.
More in Mensuration
Surface Areas of 3D Shapes
Finding the surface areas of cubes, cuboids, spheres, and right circular cylinders/cones. Students solve practical problems involving surface area.
2 methodologies
Volumes of 3D Shapes
Understanding the concept of volume and capacity. Students calculate the volumes of cuboids, cylinders, cones, and spheres.
2 methodologies