Problem Solving

Act it outDraw a picture Guess and check  Make a list Make a table make it simpler Patternwork backwards

What is your favourite problem solving strategy? 

Which one would you use to solve the following problem?

There is a room full of 15 people and everyone shakes hands. Nobody shakes their own hand and each person only shakes hands once with another person. How many handshakes are there in total?

Comment below with your answer and the strategy you used to work it out.

StrategiesforProblemSolvingPosters‘ Thanks to ‘The Colourful Apple’ teacher blog.

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