# Measuring Angles

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Curipod generated lesson: "Measuring Angles". #1-4

1. Word cloud
120 seconds
What is the name of the unit for measuring angles?
2. Slide
60 seconds
An angle is formed when two rays have a common endpoint. Angles are measured in degrees, starting at 0 and going up to 360. We can measure angles using a protractor.
Measuring Angles
3. Slide
60 seconds
Angle: a figure formed by two lines or rays diverging from a common point. Right Angle: an angle that measures 90 degrees. Acute Angle: an angle that measures less than 90 degrees.
Concepts:
4. Open question
180 seconds
Work together in pairs: What is the measure of an angle formed by two lines that cross and form four right angles?
5. Open question
180 seconds
Work together in pairs: What is the best tool to use to measure angles?
6. Drawings
450 seconds
Brain break: Draw a talking cup of coffee having a conversation with a slice of toast.
7. Poll
60 seconds
Which tool is used to measure angles?
• Protractor
• Ruler
• Compass
8. Poll
60 seconds
What is the angle measurement of a right angle?
• 90 degrees
• 180 degrees
• 45 degrees
• 360 degrees
9. Poll
60 seconds
What do you call an angle that measures less than 90 degrees?
• Acute Angle
• Obtuse Angle
• Right Angle
10. Poll
60 seconds
What do you call an angle that measures more than 90 but less than 180 degrees?
• Obtuse Angle
• Acute Angle
• Right Angle