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Lesson 56: Angles

Lesson 56: Angles. Ms. Jamie Scordino 3 rd Grade Math. Angles. Angles are measured in degrees. This is the symbol for degree Example 90. Full Rotation. A full rotation has a measure of 360 degrees. It is a complete turn and points back the same way. Acute Angles.

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Lesson 56: Angles

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  1. Lesson 56: Angles Ms. Jamie Scordino 3rd Grade Math

  2. Angles Angles are measured in degrees. This is the symbol for degree Example 90

  3. Full Rotation A full rotation has a measure of 360 degrees. It is a complete turn and points back the same way.

  4. Acute Angles Acute angles measure between 1 degree and 89 degrees. It is just a “cute” little angle.

  5. Right Angles Right angles are 90 degrees. They form a corner. The box in the corner tells you that it is a right angle.

  6. Obtuse Angles Obtuse angles are greater than 90 degrees, but less than 180 degrees.

  7. Straight Angles Straight angles are 180 degrees. They are called straight angles because they form a straight line.

  8. Reflex Angles Reflex angles are greater than 180 degrees and less than 360 degrees.

  9. Angle Practice Go to the following link to learn more about angles. http://www.mathsisfun.com/angles.html

  10. Your Turn Thank you for a great lesson!

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