Common Core Alignment

CCSS.Math.Content.4.MD.5.a - An angle is measured with reference to a circle with its center at the common endpoint of the rays, by considering the fraction of the circular arc between the points where the two rays intersect the circle. An angle that turns through 1/360 of a circle is called a "one-degree angle," and can be used to measure angles.

5: Math

Unit 3: Geometry
Lesson 11: Problem Solving
Lesson 12: Unit Test
Lesson 3: Angle Basics
Lesson 4: Measuring Angles
Lesson 5: Using a Protractor
Lesson 6: Playing with Angles
Lesson 7: Adding Angles
Final Project: My Geometry Town