Measuring Angles with a Protractor for 4th Grade
To measure an angle with a protractor, place the center on the vertex, align the zero line with one ray, and read where the other ray crosses the scale. Choosing the right scale of the two is where most errors happen. The examples below show that, with practice.
DETAILED EXPLANATION
A protractor is used to measure angles in degrees. Place the center on the vertex, align one ray with 0°, and read where the other ray crosses the scale (inner or outer).
WORKED EXAMPLES WITH STEP BY STEP SOLUTIONS
Example 1
An angle measures 55° on the protractor. Is it acute, right, or obtuse?
The Absolute Best Book to Ace Grade 4 Math
Original price was: $109.99.$54.99Current price is: $54.99.
Solutions:
Step 1: Apply the concept from the lesson above.
Step 2: Carry out the operation or reasoning.
Answer: 55° is less than 90°, so it is acute.
Mastering Grade 4 Math Word Problems
Original price was: $29.99.$16.99Current price is: $16.99.
Related to This Article
More math articles
- 10 Most Common ACCUPLACER Math Questions
- Multiplying Decimals for 5th Grade: Rules and Examples
- 5 Best Touchscreen Monitors for Teaching Online
- Grade 5 Grammar and Revision Skills: Sentence Variety, Precision, and Editing Habits
- The Virtual Classroom Advantage: How Online Math Tutors Enhance Elementary Math Education
- 3rd Grade Scantron Math Worksheets: FREE & Printable
- FREE Praxis Core Math Practice Test
- Nucleic Acids and Strand Direction
- The Best Grade 5 Math Book for North Dakota Students
- The Three Branches and Checks and Balances
What people say about "Measuring Angles with a Protractor: Grade 4"?
No one replied yet.