security camera l/o – tbat convert between fractions and percentages using visual representations...
TRANSCRIPT
Security Camera
L/O – TBAT convert between fractions and percentages using visual representations
Level 6 work
Security Camera
Security Camera
I want to make sure this glass is exactly half full of water but I have no measuring device.
How do I do it?
Security Camera
Security Camera
Security Camera
11
21
41
43
50%
100%
75%
25%
165
31.25%
Security Camera
Security Camera
What fraction of this shape is shaded? Can you write it as a percent?
Extension:
Security Camera
11
21
41
43
50%
100%
75%
25%
165 31.25%
Security Camera
The diagram shows the plan view of a shop with ten people standing in itThe shop owner wants to prevent shoplifting. He decides to install a security camera on the ceiling of his shop.
He places the camera on the wall of the shop (at point P)
The camera can turn through 360°
P
Security Camera
1. Which people can the camera NOT see? 2. How many squares are hidden from the camera?3. What is this as a fraction?4. What is this question as a percentage?
P
Security Camera
1. Which people can the camera NOT see? 2. How many squares are hidden from the camera?3. What is this as a fraction?4. What is this question as a percentage?
The shopkeeper decides to move the camera to the corner
Security Camera
-Your job is to find the best place for the camera to be installed
Security Camera
A shop owner wants to prevent shoplifting.
He decides to install a security camera on the ceiling of his shop.
He places the camera in the corner of the shop (at point P)
The camera can turn through 360°
The diagram shows a plan view of the shop with ten people standing in it
Security Camera
Security Camera
Security Camera
1. Which people can the camera NOT see?
2. How many squares are hidden from the camera?3. What is this as a percentage?4. (a) What do you think is the best place for the camera, so that it can see
as much of the shop as possible.
(b) How you know that this is the best place for the camera?
Security Camera
Security Camera
1. Which people can the camera NOT see?
2. What percentage of the shop is hidden from the camera?
3. (a) What do you think is the best place for the camera, so that it can see as much of the shop as possible.
(b) How you know that this is the best place for the camera?
Security Camera
Security Camera
1. Which people can the camera NOT see?
2. What percentage of the shop is hidden from the camera?
3. (a) What do you think is the best place for the camera, so that it can see as much of the shop as possible.
(b) How you know that this is the best place for the camera?
Security Camera
-This supermarket wants to protect their store with security cameras
-What is the minimum number of cameras they need to cover the whole store?
Meat
Fruit and Veg
Drinks
Bre
ad
Sweets
Entrance
Security Camera
-The supermarket owner installs 3 security cameras
-Are there any blind spots?
Meat
Fruit and Veg
Drinks
Bre
ad
Sweets
Entrance
Security Camera
Security Camera
The owner of this shop can either install a security camera at location A or location B
-What percentage coverage does each location provide?
- Is there a better location for the camera?
A
B