ºÃÎĵµ - רҵÎÄÊéд×÷·¶ÎÄ·þÎñ×ÊÁÏ·ÖÏíÍøÕ¾

СѧÁùÄ꼶Êýѧ£ºÔ²µÄÖܳ¤½ÌѧÉè¼Æ

ÓÉ ÌìÏ ·ÖÏí ʱ¼ä£º ¼ÓÈëÊÕ²Ø ÎÒҪͶ¸å µãÔÞ

ÐÂÐÞ¶©Ð¡Ñ§½×¶ÎÔ­´´¾«Æ·ÅäÌ׽̲Ä

Ô²µÄÖܳ¤

½Ì²Ä¶¨ÖÆ / Ìá¸ß¿ÎÌÃЧÂÊ /ÄÚÈÝ¿ÉÐÞ¸Ä

Round perimeter

½Ìʦ£º·çÀÏʦ ·ç˳µÚ¶þСѧ

±à¶©£ºFoonShion½ÌÓý

Ô­´´½ÌѧÉè¼Æ Excellent Teaching Design Ô²µÄÖܳ¤

½Ì²Ä˵Ã÷£º±¾½ÌѧÉè¼Æ×ÊÁÏÊÊÓÃÓÚСѧÁùÄ꼶Êýѧ¿ÆÄ¿ £¬Ö÷ÒªÓÃ;ΪѵÁ·Ñ§ÉúµÄ˼ά£¬°ïÖúѧÉúÓÃÊý×ÖÈ¥Á˽âÈÕ³£Éú»îÖеÄÏÖÏ󣬷ÖÎöºÍ½â¾öÉú²ú¡¢Éú»îÖеÄʵ¼ÊÎÊÌ⣬ʹµÃÔÚÄÜÑϽ÷µØ˼¿¼£¬²¢Óиü¶àÁ¼ºÃµÄ½â¾ö·½·¨£¬½ø¶ø´Ù½øÈ«Ãæ·¢Õ¹ºÍÌá¸ß¡£ÄÚÈÝÒѸù¾Ý½Ì²ÄÖ÷Ìâ½øÐÐÅäÌ×ʽ±àд£¬¿ÉÖ±½ÓÐ޸ĵ÷Õû»òÕß´òÓ¡³ÉΪֽÖÊ°æ±¾½øÐнÌѧʹÓᣠ½ÌѧÉè¼Æ ½ÌѧĿ±ê£º

1. Ö±¹ÛÈÏʶ£¬ÔÚÀí½âµÄ»ù´¡ÉÏÕÆÎյļÆË㹫ʽ¡£ 2. ̽Ë÷Ô²ÖÜÂʧݵÄÖµ£¬ÅàÑøѧÉú³õ²½µÄÂß¼­Ë¼Î¬ÄÜÁ¦¡£ 3. ½éÉÜÎÒ¹ú¹Å´úÊýѧ¶ÔÔ²ÖÜÂÊÑо¿µÄ¹±Ï×£¬¼¤·¢Ãñ×å×ÔºÀ¸Ð¡£

½Ì¾ß£ºÔ²Ò»¸ö£¬

ѧ¾ß£ºÃ¿¸öѧÉú3¸öԲƬ£¬Ò»°ÑÖ±³ß£¬Ò»¸öÆ¿¸Ç£¬Ò»¸ùÏߵȡ£

½ÌѧÖصãÄѵ㣺ÍƵ¼Ô²Öܳ¤¼ÆË㹫ʽ£¬Àí½âÔ²ÖÜÂʵÄÒâÒå¡£

½Ìѧ¹ý³Ì£ºÒ». ¸´Ï°¾ÉÖª¡¢Ç°Öò¹³¥ ³öʾ£ºÔ²1£® ÕâÊÇʲôͼÐΣ¿ 2£® Ö¸³öÔ²ÐÄ¡¢°ë¾¶¡¢Ö±¾¶¡£

3£® ÔÚͬһԲÖУ¬Ö±¾¶ºÍ°ë¾¶ÓÐʲô¹Øϵ£¿ ¶þÖ±¹ÛÈÏʶ¡¢Ì½ÌÖ·½·¨

µÚ 2 Ò³ / ×Ü 4Ò³

Ô­´´½ÌѧÉè¼Æ Excellent Teaching Design £¨Ò»£©ÈÏʶ

1. Χ³ÉÔ²µÄÕâÌõÏßÊÇÒ»ÌõʲôÏߣ¿ÕâÌõÇúÏߵij¤¾ÍÊÇʲôµÄ³¤£¿Ê²Ã´½Ð£¿ 2. ʵ¼Ê¸ÐÖª£º 3. Òý³ö¿ÎÌ⣺ £¨¶þ£©Ì½ÌÖ²âÁ¿·½·¨ ¶þ. Ñо¿¹Øϵ¡¢ÍƵ¼¹«Ê½ £¨Ò»£©ÓëʲôÓÐ¹Ø 1. ǨÒÆÀàÍÆ

2. ÑÝʾ£ºÈý¸öԲͬʱ¹ö³ö £¨¶þ£© ÓëÖ±¾¶ÓÐʲô¹Øϵ

1.ÓÃÖ±¾¶ÓëÖܳ¤½øÐбȽϣ¬µÃ³öÊÇÖ±¾¶µÄ3±¶¶àһЩ 2. ·Ö×é²âÁ¿Ö±¾¶·Ö±ðΪ3cm.4cm.5cm.6cmµÄÔ² £¨Èý£©½éÉÜÔ²ÖÜÂÊ

1£® ±íʾÕâ¸ö3±¶¶àһЩÊýÊÇÒ»¸ö¹Ì¶¨²»±äµÄÊý£¬ÎÒÃÇ°ÑËü½Ð×öÔ²ÖÜÂÊÓÃ×Öĸ¡°§Ý¡±±íʾ 2£® ¡°§Ý¡±µÄ¶Á·¨Ð´·¨

3£® Á˽â×æ³åÖ®µÄ³É¾Í£¬Ö¸ÃûѧÉú¶Á¿Î±¾

4£® ÒòΪ§ÝÊǸöÎÞÏÞ²»Ñ­»·Ð¡Êý£¬¼ÆËãʱֻÄÜÈ¡ËüµÄ½üÊÓÖµ

£¨ËÄ£©ÍƵ¼¹«Ê½ =Ö±¾¶*Ô²ÖÜÂÊ

µÚ 3 Ò³ / ×Ü 4Ò³

Ô­´´½ÌѧÉè¼Æ Excellent Teaching Design ÓÃC±íʾÖܳ¤¡¢d±íʾֱ¾¶¡¢r±íʾ°ë¾¶ °åÊ飺C=§Ýd »ò C=2§Ýr ËÄ¡¢¹®¹ÌÐÂÖª

1£®ÇóÏÂÃæ¸÷ P 113 1/1 .1/3 2.¿Ú´ð£»ÇóÏÂÃæ d=2Ã× r=3Ã× ½ÌѧÀý1

Ò»ÕÅÔ²×ÀÃæµÄÖ±¾¶ÊÇ0¡£95Ã×£¬ÕâÕÅÔ²×ÀµÄÖܳ¤ÊǶàÉÙ£¿ Îå¡£»Ø¹ËÄ¿±ê²¼ÖÃ×÷Òµ

½ÌѧÉèÏ룺 1£® Ô²ÊÇÒ»ÖÖ³£¼ûµÄͼÐΣ¬ËüÊÇ×î¼òµ¥µÄÇúÏßͼÐΣ¬Ñ§ÉúÒѾ­¶ÔÔ²ÓÐÁ˳õ²½µÄ¸ÐÐÔÈÏʶ¡£Ê×ÏÈ´ÓÈÕ³£Éú»îÄÚ³£¼ûÎïÌåÖÐÒý³öͼÀí½âͼÖи÷²¿·ÖÃû³Æ¡£

2£® ͨ¹ý²âÁ¿Óë±È½Ï£¬ÈÃѧÉúÁ˽âºÍÕÆÎÕÔÚͬһԲÀï°ë¾¶ºÍÖ±¾¶µÄ¹Øϵ¡£

3£® ÅàÑø×÷ͼµÄ¼¼ÄÜ£¬Ê¹Ñ§ÉúÁ˽â²âÁ¿µÄ·½·¨£¬¶®µÃÊdz¤¶È£¬°ÑÔ²ÐÎÖ½°åÔÚÖ±³ßÉϹö¶¯À´Á¿³öµÄ·½·¨£¬Í¨¹ý²âÁ¿²»Í¬´óСµÄÔ²Öܳ¤ ºÍÖ±¾¶£¬²¢Ëã³ö±ÈÖµÊÇÔ²ÖÜÂÊ¡£½éÉÜÔ²ÖÜÂʵÄһЩÀúÊ·²ÄÁÏ£¬ÌرðÖ¸³ö£¬ÎÒ¹ú¹Å´úÊýѧ¼Ò×æ³åÖ®ÔÚÕâ·½ÃæµÄΰ´ó³É¾Í¡£

4£® ʹѧÉúÌå»áÊýѧÓë×ÔÈ»¼°ÈËÀàÉç»áµÄ½ôÃÜÁªÏµ£¬Ìå»áÊýѧµÄ¼ÛÖµ£¬Ôö½ø¶ÔÊýѧµÄÀí½âºÍÓ¦ÓÃÊýѧµÄÐÅÐÄ¡£

FoonShion½ÌÓýÑо¿ÖÐÐıàÖÆ

Prepared by foonshion Education Research Center

µÚ 4 Ò³ / ×Ü 4Ò³

СѧÁùÄ꼶Êýѧ£ºÔ²µÄÖܳ¤½ÌѧÉè¼Æ

ÐÂÐÞ¶©Ð¡Ñ§½×¶ÎÔ­´´¾«Æ·ÅäÌ׽̲ÄÔ²µÄÖܳ¤½Ì²Ä¶¨ÖÆ/Ìá¸ß¿ÎÌÃЧÂÊ/ÄÚÈÝ¿ÉÐÞ¸ÄRoundperimeter½Ìʦ£º·çÀÏʦ·ç˳µÚ¶þСѧ±à¶©£ºFoonShion½ÌÓýÔ­´´½ÌѧÉè¼ÆExcellentT
ÍƼö¶È£º
µã»÷ÏÂÔØÎĵµÎĵµÎªdoc¸ñʽ
5q4mp6eeg16vudb8bhn079ew80o94h00sfw
ÁìÈ¡¸£Àû

΢ÐÅɨÂëÁìÈ¡¸£Àû

΢ÐÅɨÂë·ÖÏí