Dividing Regions Into Equal Parts

1. Dividing Regions Into Equal Parts Identify regions that have been divided into equal-sized parts and divide regions into equal-sized parts

2. Vocabulary • Halves: something is divided into two equal parts; each part is a half of the whole thing. • Fourth: divide something into four equal parts; each part is a fourth of the whole thing.

3. Purpose • You have learned how to divide a set of objects into equal groups. Today you will learn to divide a region into equal parts and name the parts. • Name something that you have divided into 2 equal parts to share with a friend,

4. Here’s our problem • Work with your partner to find as many different ways as possible to divide a 4 X 4 region into two equal parts. Show each way on grid paper. Color the two parts of each region a different color. Be prepared to tell the class how you know that the parts are equal. • SSMT -Interpret and Compare

5. Regions divided into 2 parts