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1、整理课件area (面积面积)square centimetre (平方厘米平方厘米)Lesson 2 Measuring Area整理课件Lets measure the area.How big is your footprint?整理课件How long is the leaf? How wide is the leaf? Write the numbers.We can use a ruler to measure length._ cm_ cm5整理课件An area is how much space a shape covers.1 cm1 cmThis square is 1

2、cm long and 1 cm wide. We call the coloured area one square centimetre (1 cm2).整理课件What are the areas? Count the full squares and write the numbers.This area is _ cm2.9This area is _ cm2.11整理课件How long is your shoe? My shoe is _ cm long.What is the area of your footprint? Colour and count the full s

3、quares.My footprint area is _ cm2.2097整理课件8Who has the longest shoe? _.Who has the largest footprint area? _.You counted full squares only. Is the actual area the same as this number? Why?Now find two students in your class. Write their results.NameShoe length (cm)Footprint area (cm2)整理课件An area is

4、how much space a shape covers.I can count squares to measure area.Longer shoes often make larger footprints.整理课件I counted squares.I measured areas.I made a model.整理课件Mary counted 36 full squares. Is the actual area 36 cm2? Why? 整理课件整理课件What are the areas of these shapes? Count the squares and write the numbers. 123_ cm2_ cm2_ cm212128整理课件Which shapes have

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