True bearings for grade 10 students .ppt

True bearings for grade 10 students .ppt

1. Bearings

2. 1.Measured from North.
2.In a clockwisedirection.
3.Written as 3 figures.
N
S
EW
N
S
EW
N
S
EW
060
o
145
o
230
o
315
o
60
o
145
o
230
o 315
o
N
S
EW 090
o
360/000
o
270
o
180
o
Bearings

3. N
S
EW 090
o
360/000
o
270
o
180
o
A 360
o
protractor is
used to measure
bearings.
020
o
080
o
110
o
SE
135
o
160
o210
o
SW
225
o
250
o
290
o
NW
315
o
350
o Use your protractor to
measure the bearing
of each point from the
centre of the circle.
(Worksheet 1)
NE
045
o
Bearings

4. 360/000
o
090
o
180
o
270
o
W E
N
S
Air Traffic
Controller
Control
Tower
Estimate the
bearing of
each aircraft
from the
centre of the
radar screen.
030
o
075
o
045
o
200
o
135
o
330
o
225
o
290
o
110
o
250
o
315
o
170
o

5. Measuring the bearing of one point from another.
1.Draw a straight line between both points.
2.Draw a Northline at A.
3.Measure the angle between.
N
060
o
To Find the bearing of B from A.
B
A
Worksheet 3
Bearings

6. Measuring the bearing of one point from another.
1.Draw a straight line between both points.
2.Draw a Northline at B.
3.Measure angle between.
N
240
o
To Find the bearing of A from B.
B
A
Worksheet 3
Bearings

7. Measuring the bearing of one point from another.
N
060
o
B
A
N
240
o
How are the bearings of
A and B from each other
related and why?
Worksheet 3
Bearings

8. Measuring the bearing of one point from another.
1.Draw a straight line between both points.
2.Draw a Northline at P.
3.Measure angle between.
N
P
Q
To Find the bearing of Q from P.
118
o
Worksheet 3
Bearings

9. Measuring the bearing of one point from another.
1.Draw a straight line between both points.
2.Draw a Northline at Q.
3.Measure angle between.
N
P
Q
To Find the bearing of P from Q.
298
o
Worksheet 3
Bearings

10. Measuring the bearing of one point from another.
N
P
Q
118
o
N
298
o
How are the bearings of
A and B from each
other related and why?
Worksheet 3
Bearings

11. A
1. 2. 3.
4.
5. 6
D
S
M
P
V
W
Q
T
N
B C
Bearings
Bearings are Measured
1. From North
2. Clockwise
3. Using 3 figures
Find the bearings of the following:
1. A from B 4. M from N
2. C from D 5. P from Q
3. T from S 6. V from W
N
030
060
090
120
150
180
210
240
270
300
330
360/000
W E
S Worksheet 4
060
o
234
o
125
o
302
o 232
o
310
o

12. A
1. 2. 3.
4.
5. 6
D
S
M
P
V
W
Q
T
N
B C
Bearings
Bearings are Measured
1. From North
2. Clockwise
3. Using 3 figures
Find the bearings of the following:
1. A from B 4. M from N
2. C from D 5. P from Q
3. T from S 6. V from W
N
030
060
090
120
150
180
210
240
270
300
330
360/000
W E
S Worksheet 4

13. Bearings
N
S
EW 090
o
000/360
o
270
o
180
o
Worksheet 1

14. My
Estimated
Bearing
True
BearingError
1
2
3
4
5
6
7
8
9
10
11
12
Total Error
Average Error
Worksheet 2 (Radar)
My
Estimated
Bearing
True
BearingError
1
2
3
4
5
6
7
8
9
10
11
12
Total Error
Average Error