5-Minute Check

Name a quadrilateral that has opposite sides parallel and 4 right angles.

Name a quadrilateral that has exactly 1 pair of parallel sides.

Draw a rhombus.Draw a rectangle.

Parts of a Circle

By Mr. Bales

Objective

By the end of this lesson, you will be able to identify parts of a circle.

Standard 4MG3.2 - Students will identify the radius and diameter of a circle.

Introduce

In a moment, I am going to ask that the class make a circle on the tile, like we do for Morning Meeting.

Before we go over there, does anyone know any part of a circle?

Teach

A circle is a plain figure in which all points are the same distance from a point called a center.

Radius

A line segment that connects the center of a circle to a point on the circle is a radius.

F G

FG is the radius

Diameter

A line segment that connects two points on a circle and goes through the center of a circle is a diameter.

C D

CD is the diameter

Personal Tutor Time!!

Come on Mr. Hardesty!!

Quick Quiz –Quiz!!

Bales Bucks!!

Assignment

Page 416 - #’s 9 - 23 Get them all correct - No Math

Homework!!