This is a free lesson from the 4th Grade Geometry Unit created by Kara Kruchinski which includes ALL Common Core Standards for 4th Grade Geometry.
This lesson covers identifying right, obtuse, and acute angles. Students will hear a geometry story, draw examples of angles in a geometry booklet, play angle Simon Says, complete an identifying angle worksheet, and find angles in their name.
There are also 3 bundled lesson plans that follow this lesson called "Measuring Angles Lesson Plans" by Kara Kruchinski. All lesson plans and are directly aligned to Common Core Standards for 4th Grade Geometry.
Link-4th Grade Geometry Unit
Link-Measuring Angles Lesson Plans