Addition of Adjacent Angles
Videos and solutions to help Grade 4 students learn how to use the addition of adjacent angle measures to solve problems using a symbol for the unknown angle measure.
Common Core Standards: 4.MD.7
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Lessons for Grade 4
Common Core For Grade 4
New York State Common Core Math Module 4, Grade 4, Lesson 10
NYS Math Module 4 Grade 4 Lesson 10 Problem Set
Write an equation and solve for the measure of ∠x. Verify the measurement using a protractor.
1. ∠CBA is a right angle.
2. ∠GFE is a right angle.
3. ∠IJK is a straight angle.
4. ∠MNO is a straight angle.
Write an equation and solve for the measure of ∠x. Verify the measurement using a protractor.
1. ∠HGF is a right angle.
6. Solve for the measurement of ∠OML. ∠LMN is a right angle.
7. In the following figure DEFH is a rectangle. Without using a protractor, determine the measurement of ∠GEF. Write an equation that could be used to solve the problem.
