Circumference and area of circles is presented in this unit. Students will also learn about the parts of a circle. Try our sample lessons below, or browse other units of instruction.

Circumference and Area |
Description |

Geometry and the Circle | To define and identify points, line segments, planes, diameter, radius and chord. |

Circumference of Circles | To define circle, Pi and circumference. To understand that Pi is a constant for any circle. To find circumference of a circle using the proper formula. To relate circumference to real-life objects. |

Area of Circles | To find the area of a circle using the proper formula. To find the radius or diameter given the area. To relate area to real-life objects. |

Practice Exercises | To complete 10 additional exercises as practice. To assess students' understanding of all circumference and area concepts learned. |

Challenge Exercises | To solve 10 additional problems that challenge students' understanding of circumference and area. Word problems connect math concepts to the real world. To hone students' problem-solving skills. |

Solutions | To review complete solutions to all exercises in this unit. Includes the problem, step-by-step solutions, final answer and units for each exercise. |

Learning Objectives | Learning Topics: Geometry of a Circle, line segment, chord, plane, radius, diameter, pi, Circumference of Circles, and Area of Circles. |