Classroom Resource

Circumference StudyJam

Subject Area

Mathematics

Grade(s)

7

Overview

In this interactive activity, students will be led through steps to calculate the circumference of a circle. There are teaching activities as well as practice activities available. A handout that reviews the steps taught during the interactive is available to be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.

 

Mathematics (2019) Grade(s): 7

MA19.7.20

Explain the relationships among circumference, diameter, area, and radius of a circle to demonstrate understanding of formulas for the area and circumference of a circle.

Unpacked Content

UP:MA19.7.20

Vocabulary

  • Diameter
  • Radius
  • Circle
  • Area
  • Circumference
  • π

Knowledge

Students know:
  • that the ratio of the circumference of a circle and its diameter is always π.
  • The formulas for area and circumference of a circle.

Skills

Students are able to:
  • use the formula for area of a circle to solve problems.
  • Use the formula(s) for circumference of a circle to solve problems.
  • Give an informal derivation of the relationship between the circumference and area of a circle.

Understanding

Students understand that:
  • area is the number of square units needed to cover a two-dimensional figure.
  • Circumference is the number of linear units needed to surround a circle.
  • The circumference of a circle is related to its diameter (and also its radius).
Mathematics (2019) Grade(s): 7 - Grade 7 Accelerated

MA19.7A.36

Explain the relationships among circumference, diameter, area, and radius of a circle to demonstrate understanding of formulas for the area and circumference of a circle.

Unpacked Content

UP:MA19.7A.36

Vocabulary

  • Diameter
  • Radius
  • Circle
  • Area
  • Circumference
  • π

Knowledge

Students know:
  • the ratio of the circumference of a circle and its diameter is always π.
  • The formulas for area and circumference of a circle.

Skills

Students are able to:
  • use the formula for area of a circle to solve problems.
  • Use the formula(s) for circumference of a circle to solve problems.
  • Give an informal derivation of the relationship between the circumference and area of a circle.

Understanding

Students understand that:
  • area is the number of square units needed to cover a two-dimensional figure.
  • Circumference is the number of linear units needed to surround a circle.
  • The circumference of a circle is related to its diameter (and also its radius).
Link to Resource
https://studyjams.scholastic.com/studyjams/jams/math/measurement/circumference…

CR Resource Type

Interactive/Game

Resource Provider

http://studyjams.scholastic.com/
Accessibility

Accessibility

Text Resources: Content is organized under headings and subheadings
License

License Type

Custom

Custom License Type (URL)

http://www.scholastic.com/terms.htm

Comments or Notes

The quiz may be completed as a whole group or independently on student devices.

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