Quadratic Expressions Worksheets Page 30
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36number and algebra
number and algebra
Beginning the game
2
• There is to be no communication between players at this time.
• Your teacher will randomly allocate a headband to each player by placing a headband on their head
without the player seeing the number on their headband.
Playing the game
3
The object of the game
• The object of the game is to use the process of
elimination for you to fi nd your pair. A possible
train of thought is illustrated at right.
Hmm… now, Lizzy is 16 and
Jo is 8 so they are a match.
Starting the game
Nick is 10. I can’t see a
• Once all headbands have been allocated, stand
25…maybe he is my match.
in a circle or walk around freely.
• Without speaking, determine who is a match;
25
then, by a process of elimination, determine
who might be your match.
Making a match
• When you think you have found your match,
approach that person and say ‘I think I am your
match.’
• The other player should now check to see if you have a
match elsewhere and can reply by saying one of two things:
‘Yes, I think I am your match,’ or ‘I know your match is
still out there.’
• If a match is agreed upon, the players should sit out for the remainder of the game. If a match is not
agreed upon, players should continue looking.
Ending the game
• The class should continue until everyone is in a pair, at which time the class can check their results.
• The class should now discuss the different trains of thought they used to fi nd their pair and how this
relates to factorising quadratic trinomials.
297
Topic 7 • Quadratic expressions
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