What type of angle is it?

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What type of angle is it?
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Objectives

• Understand the different types of angles
• Acute
• Right Angle
• Obtuse
• Straight Angle
• Reflex
• Draw angles correctly

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Vocabulary

• Angle
• Right Angle
• Degrees
• Position
• Direction
• North
• East
• South
• West
• Clockwise
• Anti-Clockwise
• Horizontal
• Vertical
• Grid
• Turn
• Compass
• Whole
• 360º
• 180º

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Using your Compass
N



E
W
S
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Acute Angle

• Acute angles are less than 90o.

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Right Angle
Right angles are 90o
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Obtuse Angle
Obtuse angles are more than 90o but less than
180o.
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Straight Angle
Straight angles are180º.
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Reflex Angle
Reflex angles are more than 180o.
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Remember

• Acute angles are less than 90o.
• Right angles are 90o.
• Obtuse angles are more than 90o but less than
  180o.
• Straight angles are 180º
• Reflex angles are more than 180o.

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Success Criteria

• I can understand the difference between an acute,
  right angles, obtuse, straight and reflex angles.
• I can measure correctly?
• I can label correctly?
• Can I use a protractor?