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# CCSS.Math.Content.4.MD.C.7 - Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the angle measures of the parts. Solve addition and subtraction problems to find unknown angles on a diagram in real world and mathematical problems, e.g., by using an equation with a symbol for the unknown angle measure.

Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.4.MD.C.7 Recognize Angle Measure As Additive. When An Angle... Measurement and Data - 4th Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

(Page last edited 10/08/2017)

1. Adding and Subtracting Angles - Worksheet; Adding and Subtracting to find Unknown Angles
2. Adding Angles - Worksheet generator; The angle additon postulate worksheet will produce 9 problems per page.
4. Angle Measurement - Online quiz, adding adjacent angles. Given the size of a portion of the angle, what is the size of the other portion?
5. Angles Around a Point - Online lesson with practice questions included.
6. Measuring Angles Introduction - Worksheet; Solve these problems using given information.

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