using a key classifying mr men. how do we create a key to identify the mr men? work through the next...
TRANSCRIPT
Using a key
Classifying Mr Men
How do we create a key to identify the Mr Men?
Work through the next few slides trying to decide a question that will divide and ultimately name the Mr Men.The first question needs to split the group of 8 into 2 groups of 4 as they are standing in this line.
Start with a template
NO
StartQuestion to split into
2 groups
NO YES
StartEg. Does he have a hat?
NO YES
Start
2nd question to split again
NOYES
Does he have a hat?
NO YES
StartDoes he have a hat?
Eg.Does he have hair?
NO YES
NOYES
Start
Question
Last question to identify them
NOYES
NO YES
Does he have a hat?
NO YES
StartDoes he have a hat?
Does he have hair?
Eg.Is his hair straight?
NO YES
NOYES
NO YES
Mr Clumsy
Mr Fussy
Now continue to work out questions until you have managed to identify all 8 Mr Men.
There is a Word document for you to work on
Harry George Ted Ben Ollie Jon Arnie Stan
_____ _____ _____ _____ _____ _____ _____ _____
What are the Mr Mens first names?
Does he have a hat?
Is his body square?Does he have hair?
Is he wearing shoes?Is his hair straight? Is he waving?Is he smiling?
NO YES
NOYES
NO YES YES NO
NOYES
NOYES YES NO
Have you worked their first names out ?Move onto the next slide to check.
The Mr Mens first names are ……….
Does he have a hat?
Is his body square?Does he have hair?
Is he wearing shoes?Is his hair straight? Is he waving?Is he smiling?
NO YES
NOYES
NO YES YES NO
NOYES
NOYES YES NO
Harry George Ted Ben Ollie Jon Arnie Stan
_____ _____ _____ _____ _____ _____ _____ _____HarryGeorge TedBen OllieJon ArnieStan
Different types of key
• Some keys look different but work the same way, using questions to split the things into smaller groups.
First Question – Try to think of a question which splits the items in half.
Yes answer No answer
Second Question – Should split this group of items again
Third Question - Should be used to identify one of the items
Yes answer No answer Yes answer No answer
Name of Item Name of Item
Fourth Question - Should be used to identify one of the items
Fifth Question - Should be used to identify one of the items
Yes a No answer
Name of Item Name of Item
No answer
Name of Item Name of Item
Yes answer
Yes answer
NO YES
Has he got hair?
YesNo
Has he got bare feet?
NoYes
Another style of Key
NO YES
YesNo
Has he got bare feet?
NoYes
Now for a challenge!
Can you design your own key?
RememberQuestion to split into
2 groups
NO YES
2nd question to split again
Last question to identify them