3. Choose which item in each pair you think has the greater area. You might need to use the internet to fi nd some of the answers.


a) A mobile phone or a house phone. b) A desktop computer or a laptop. c) Your classroom or the PE hall. d) Dublin or Cork. e) Ireland or the UK. f) Europe or the USA. g) Russia or Australia.


Puzzler If the area of the fi rst rectangle is 30cm2


the other shapes below? 5cm


5cm 6cm 6cm 5cm 5cm 9cm 9cm 5cm 5cm 3cm 3cm


, can you fi nd the total area of 6cm


3cm


Metres Squared 1.


Sometimes we need to fi nd the area of bigger spaces. We can fi nd this using squared metres.


a) Using a metre stick in the school yard, chalk out a square that has 4 sides that are 1m each. This square has an area of 1 metre square.


b) Estimate how many of your class can fi t in the square – standing up. Then fi nd the actual number.


Estimate: Estimate: Actual:


c) Estimate how many of your class can fi t in the square – lying down. Then fi nd the actual number.


Actual: Area 165


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