5.9 Circles
About Circles
I.SectionObjectives
- Distinguish between radius, diameter, chord, tangent, and secant of a circle.
- Find relationships between congruent and similar circles.
- Examine inscribed and circumscribed polygons.
- Write the equation of a circle.
II.ProblemSolvingActivity-CircleRhymes
- Create a rhyme about circles.
- Students can make it a rap, a song or a poem.
- Here are the components of the rhyme.
- Each must have:
- Radius
- Diameter
- Chord
- Tangent
- Secant
- Defined in it.
- Students can choose to include other elements, but these key ones must be in there.
- In addition, if students want to mention pi, they can, just be sure that they have the other parts of a circle
involved. - Allow students time to work on this poem.
- Students can perform/present it in small groups.
- If you have a really creative group that likes to perform, you might have them do it for the whole class. If this
is the case, then presentations may take a whole class period.
III.MeetingObjectives
- Students will distinguish between radius, diameter, chord, tangent, and secant of a circle.
- Students will present their material in a creative fun way.
IV.NotesonAssessment
- Be sure that all of the important components are present.
- Students really can’t do this wrong.
- Sit back and enjoy watching students use their creativity to bring circles to life.
Tangent Lines
I.SectionObjectives
Chapter 5. Geometry TE - Problem Solving