How to Classify and Measure Angles for Grade 6 Students
FAQs on Class 6 Maths Worksheet: Classifying and Measuring Angles
1. What are the types of angles with examples?
Angles are classified into different types based on their measurement in degrees, which is a key concept in this Class 6 Maths worksheet. The main types of angles are:
- Acute Angle: An angle that measures less than 90°. For example, the corner of a slice of pizza.
- Right Angle: An angle that measures exactly 90°. For example, the corner of a book or a square.
- Obtuse Angle: An angle that measures more than 90° but less than 180°. For example, the angle of a reclining chair.
- Straight Angle: An angle that measures exactly 180° and forms a perfectly straight line.
2. How do you classify and measure angles?
To classify and measure an angle, you must first find its size in degrees using a protractor and then assign it a name based on that measurement. The process involves two main steps:
- Step 1 - Measure: Place the protractor's center on the angle's vertex (the corner). Align one arm of the angle with the 0° mark and read the degree where the second arm points.
- Step 2 - Classify: Compare the measurement to 90°. If it is less than 90°, it is an acute angle; if it is exactly 90°, it is a right angle; and if it is more than 90°, it is an obtuse angle.
3. How to use a protractor to measure angles?
Using a protractor to find an angle's measurement is a simple skill that can be mastered with practice from this worksheet. Follow these steps for accurate protractor measurement:
- Place the center point of the protractor directly on the vertex of the angle.
- Align one ray (arm) of the angle with the baseline or the 0° line on the protractor.
- Look at the scale and read the number in degrees where the second ray of the angle crosses the protractor. This is the angle's measure.
4. What is an acute, obtuse, and right angle?
An acute, obtuse, and right angle are the fundamental types of angles taught in Class 6 geometry, each defined by its measure.
- An acute angle is any angle that measures less than 90°.
- A right angle is an angle that measures exactly 90°, forming a perfect corner.
- An obtuse angle is any angle that measures more than 90° but less than 180°.
5. How can I use this Class 6 Maths worksheet at home?
This worksheet is an excellent resource for homework, revision, or extra practice on how to classify and measure angles. Simply download the angles worksheet PDF, print it out, and have your child use a pencil and protractor to complete the exercises. You can then use the included answer key to review their work.
6. Does this angles worksheet include an answer key?
Yes, a complete answer key is included at the end of this worksheet. The answer key helps parents and students verify the solutions for each question, ensuring they have correctly measured and classified all the angles, which is great for self-assessment and geometry revision.
7. What skills are built by this angle measurement activity?
This worksheet on classifying and measuring angles helps Class 6 students build several essential skills for geometry. The key skills developed are:
- Protractor Use: Gaining confidence and accuracy in using a protractor for angle measurement.
- Angle Classification: Learning to correctly identify and name angles as acute, obtuse, or right.
- Geometric Reasoning: Improving the ability to visually estimate and understand spatial relationships.
- Precision: Developing attention to detail when aligning the tool and reading measurements.
8. Is this worksheet for classifying angles printable?
Yes, this is a free printable worksheet available in a high-quality PDF format. It is designed for easy printing, making it a convenient resource for teachers in the classroom and for parents who need quick angle classification practice for their children at home.
9. Why is learning to classify and measure angles important in geometry?
Learning to measure and classify angles is fundamental in geometry because it is the basis for understanding shapes and their properties. This skill is necessary for more advanced topics like studying triangles, polygons, circles, and solving problems in real-world contexts like construction, art, and navigation.
10. What is the difference between classifying and measuring an angle?
The main difference between measuring and classifying an angle is that one is a process of finding a value, while the other is a process of naming.
- Measuring an angle means using a protractor to find its exact size in degrees (e.g., 50°, 90°, 135°).
- Classifying an angle means giving it a name (like acute, obtuse, or right) based on its measured value. You must measure an angle before you can accurately classify it.



















