Radius of a Circle
Matholia educational maths video on defining and identifying the radius of a circle.
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Learning Targets:
Describe the relationship between radius and diameter.
Explain that the ratio of circumference to diameter is constant (π).
Prove that the ratio of circumference to diameter is constant with various models.
Find the circumference of a circle.
Find the area of a circle.
Compare and contrast the area and circumference of a circle.
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This video lesson is taken from Matholia.com – a world-class online learning resource for K-6 mathematics. Our international curriculum covers a comprehensive range of topics and concepts using the Singapore's teaching approach. Concepts are presented through Concrete, Pictorial, Abstract (CPA) approach. Resources available include dynamic practice, instructional videos, ebooks, interactive tools and progress tracking and recording – all adopting the Singapore pedagogy.
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