《小学数学二年级《克与千克》PPT课件维语.ppt》由会员分享，可在线阅读，更多相关《小学数学二年级《克与千克》PPT课件维语.ppt（19页珍藏版）》请在三一办公上搜索。
1、, ,Lets run!,Rabbit,Tortoise, .,1,2,800,rice,stone,monkey,Cotton,Each player must carry one item in the game!,800 grams,1 kilogram,2 kilograms, ,Understanding gram and kilogram, 1, .,5,apple,Biscuits110 grams,Soybean oil5 kilograms,Weigh 1 kilogram, , , , ,人体秤, , , , 1, 1, ,1 1 ,How much does 1 gram
2、 weigh?How much does 1 kilogram weigh?,1 2 cent coin weighs about 1 gram.,1 bag of salt weighs 1 kilogram.,1 5002 1,1=1000,One thousand grams are equal to one kilogram.,1 bag of sugar weighs 500 grams.2 bags of sugar weigh 1 kilogram.,1=1000,4 ) ) （3000 ） 3 ,2000 （ ）（6 ）6000,4000,2,4 ) ) （3000 ） 3 ,
3、4 ) ) （3000 ） 3 ,4 ) ) （3000 ） 3 ,4 ) ) （3000 ） 3 ,4 ) ) （3000 ） 3 ,4 ) ) （3000 ） 3 , ., 500 2 1,你能提出什么问,egg,fish,apple,Grandma bought apples, eggs and fish from the market.,What question can you ask?,Weighs 1 kilogram weighs 2 kilograms weighs 500 grams, , .(1) 50()(2) ()(3) ()(4) ()(5) ()(6) (),Pl
4、ease fill the blank with a suitable unit., : 50 150 . . 3000 3 .,50克,3000千克,3米, ,True or False?, 8 45 60 250 100 3 1 ., , 8 45 60 250 100 3 1 .,( ) ,150( ) 4 ( ) 450 ( ) 100 ( ),Please fill the blank with a suitable unit., ,( ),( ),500,600,200,banana,pear,apple,How much do they weigh?, ,( ),35,30,65
5、, ,How much do you weigh?,Practicing,( ),( ),1 1 , ,Compare 1 kilogram of cotton with 1 kilogram of iron,Which one is heavier?,They are the same weight., 2 .,The worlds smallest bird is hummingbird.It weighs only about 2 grams.,Do you know?, 100 1500 .,The worlds largest bird is the ostrich. It weighs about 100 kilograms. Only one egg weighs 1500 grams., .,Wish you happy every day!,
