Assessment

Three Circles

Curated and Reviewed by Lesson Planet
This Three Circles assessment also includes:

Round and round and round we go. Given a diagram of three circles, two of which share a point with the third circle, learners identify the radius of each circle. Doing so requires setting up and solving a system of equations based on the relationships between the radii.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Use the task as part of a formative assessment
Classroom Considerations
  • Pupils should be familiar with solving systems of equations
  • Additionally, scholars must have knowledge of circles and radii
Pros
  • A separate file gives solutions with explanations
  • Connects algebra and geometry concepts
Cons
  • None
Common Core