# 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

Related Topics:

Lesson
Plans and Worksheets for Grade 4

Lesson
Plans and Worksheets for all Grades

More
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.

NYS Math Module 4 Grade 4 Lesson 10 Problem Set
3. ∠IJK is a straight angle.

4. ∠MNO is a straight angle.

More practice with adjacent angles.

NYS Math Module 4 Grade 4 Lesson 10 Homework
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.