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Solve Problems for Unknown 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 11


NYS Math Module 4 Grade 4 Lesson 11 Concept Development

Problem 1: Decompose a 360° angle into smaller angles. Recognize that the smaller angles add up to 360°.
Problem 2: Given two intersecting lines and the measurement of one angle, determine the measurement of the other three angles.
NYS Math Module 4 Grade 4 Lesson 11 Problem Set

Terms for Angles: Vertical Angles, Supplementary Angles, Complementary Angles



NYS Math Module 4 Grade 4 Lesson 11 Problem Set

Write an equation and solve for the unknown angle measurements numerically. Questions 1 - 2
Lesson 11 Problem Set

Question 3


 
Lesson 11 Problem Set

Question 4
Lesson 11 Problem Set

Write an equation and solve for the unknown angles numerically.
5. is the intersection of AB and CD.
∠DOA is 160° and ∠AOC is 20°


Lesson 11 Problem Set

6. O is the intersection of RS and TV.
∠TOS is 125°.
NYS Math Module 4 Grade 4 Lesson 11 Homework

Write an equation and solve for the unknown angle measurements numerically.

Question 3. 5. O is the intersection of AB and CD. ∠COB is 145° and ∠AOC is 35°. Find e° and f°. 7. O is the intersection of UV, WX and YO. ∠VOX is 46°. Find j°, k° and m°.


 

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