Transcript What type of angle is it? Objectives  Understand the different types of angles  Acute  Right Angle  Obtuse  Straight Angle  Reflex  Draw angles correctly.

What type of angle
is it?
Objectives

Understand the different types of angles

Acute

Right Angle

Obtuse

Straight Angle

Reflex

Draw angles correctly
Vocabulary

Angle

West

Whole

Right Angle

Clockwise

360º

Degrees

Anti-Clockwise  180º

Position

Horizontal

90º

Direction

Vertical

45º

North

Grid

East

Turn

South

Compass
Using your Compass
N
W
E
S
Acute Angle

Acute angles are less than 90o.
Right Angle
Right angles are 90o
Obtuse Angle
Obtuse angles are more than 90o but
less than 180o.
Straight Angle
Straight angles are180º.
Reflex Angle
Reflex angles are more than
180o.
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.
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?