Grade 7 Mathematics Module 3, Topic C, Lesson 16

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Student Outcomes

  • Students develop the definition of circle using diameter and radius.
  • Students know that the distance around a circle is called the circumference and discover that the ratio of the circumference to the diameter of a circle is a special number called pi, written π.
  • Students know the formula for the circumference C of a circle of diameter d and radius r.  They use scale models to derive these formulas.
  • Students use 22/7 and 3.14 as estimates for π and informally show that π is slightly greater than 3. 

Downloadable Resources

Common Core Learning Standards

CCLS State Standard
7.G.4 Know the formulas for the area and circumference of a circle and use them to solve problems; give...

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