(
课件网) Unit 5 Shapes are fun! Join In剑桥·四年级上册 第3课时 (Language in use & Let’s do it! ) Enjoy a song Observe and say What is made of a square / triangle / rectangle 线，线条 It is made of lines. How many lines are there in a square / triangle / rectangle Write your answers in the boxes. TWO THREE FOUR SIX SEVEN EIGHT NINE TEN ONE FIVE How many lines are there in a square There is/are ... There are four lines. TWO THREE FOUR SIX SEVEN EIGHT NINE TEN ONE FIVE How many lines are there in a triangle There are three lines. TWO THREE FOUR SIX SEVEN EIGHT NINE TEN ONE FIVE How many lines are there in a rectangle There are four lines. — How many+可数名词复数+are there (+其他) — There is/are+数词+可数名词单数/复数. 句 型 回答时，当事物数量为1时，be动词用is； 当事物数量>1时，be动词用are。 讲 解 —How many shapes are there in the picture 图片里有多少个形状？ —There are five shapes. 有五个形状。 例 句 询问可数事物的数量 Look at the pictures and answer the questions. How many squares are there How many circles are there How many triangles are there How many squares are there How many circles are there How many triangles are there There are sixteen squares. There are five circles. There are thirteen triangles. Look, write and answer. house the letter E fish rabbit the number nine How many shapes are there in one picture _____ ( ) + _____( ) + _____( ) = _____ five one one seven How many shapes are there in one picture _____ ( ) + _____( ) + _____( ) = _____ five one one seven How many shapes are there in one picture _____ ( ) + _____( ) + _____( ) = _____ five one one seven How many shapes are there in one picture _____ ( ) + _____( ) + _____( ) = _____ five one one seven How many shapes are there in one picture _____ ( ) + _____( ) + _____( ) = _____ five one one seven What do you find out We can use the tangram to make different shapes. 七巧板 _____ ( ) + _____( ) + _____( ) = _____ five one one seven The components(组件) of the tangram five right triangles(直角三角形) one square one parallelogram Know about the tangram The history of the tangram 七巧板又称七巧图、智慧板，是中国民间流传的智力玩具。它是由宋代的宴几演变而来的，原为文人的一种室内游戏，后在民间演变为拼图板玩具。 18世纪起，七巧板流传到国外，被称为“唐图”，意思是“来自中国的拼图”。 Cut out the tangram on page 97 and use it to make more shapes. Possible version Summary 1. 谈论可数事物的数量： — How many+可数名词复数+are there (+其他) — There is/are+数词+可数名词单数/复数. 2. Use the tangram to make different shapes. Homework Write five sentences with the key sentence pattern in this lesson. Use the tangram to make shapes with your partner. 3. Do the related exercises.
