What%20is%20an%20Angle? - PowerPoint PPT Presentation

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What%20is%20an%20Angle?

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Title: Slide 1 Author: Nicky D Last modified by: lee alibone Created Date: 2/2/2006 7:35:12 PM Document presentation format: On-screen Show (4:3) Other titles – PowerPoint PPT presentation

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Title: What%20is%20an%20Angle?


1
What is an Angle?
2
Objectives
  • Know that angles are measured in degrees
  • That a whole turn is 360º
  • That half a turn is 180º
  • Right angle is 90º
  • Half a right angle is 45º
  • Understand clockwise and anti-clockwise

3
Vocabulary
  • Angle
  • Right Angle
  • Degrees
  • Position
  • Direction
  • North
  • East
  • South
  • West
  • Clockwise
  • Anti-Clockwise
  • Horizontal
  • Vertical
  • Grid
  • Turn
  • Compass
  • Whole
  • 360º
  • 180º

4
Using your Compass
N



E
W
S
5

Compass Direction
N
E
W
S
6
Clock Face
Clockwise
Anti - Clockwise
7
Compass Direction
0/360º
N
45º
315º
NW
NE
270º
90º
E
W
135º
225º
SE
SW
180º
S
8

In which direction would you be facing if you
turned clockwise
N
E
W
S
180º from N
9

In which direction would you be facing if you
turned anti-clockwise
N
E
W
S
180º from S
10
Success Criteria
  • I can understand the difference between 360º,
    180º, 90º and 45º.
  • Have I used degree turns?
  • I can turn clockwise and anti-clockwise.
  • I am able to follow and give directions.

11

In which direction would you be facing if you
turned clockwise
N
E
W
S
90º from N
12

In which direction would you be facing if you
turned Anti-clockwise
N
E
W
S
90º from S
13

In which direction would you be facing if you
turned Anti-clockwise
N
E
W
S
360º from S
14
Directional Bingo
  • Teacher mimes the word and children put their
    hands up to guess which word it is. First to get
    a line are the winners.
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