二年级数学下册三《生活中的大数》数一数(一)同步练习北师大版.doc

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1数一数(一) 1请你选出表示“5”的图,在图后的里画上“” 2每人用一条毛巾,你知道每个帐篷里有几个人吗?你喜欢什么,就在船上画出来吧!二、拔高1.数一数,下图中有多少个小正方体?2、2有( )个小正方体。(2)有( )个小正方体。(3)有( )个小正方体。(4)有( )个小正方体。3、用红色凃出 28 个小方格。参考答案一、复习1请你选出表示“5”的图,在图后的里画上“” 32每人用一条毛巾,你知道每个帐篷里有几个人吗?8,103你喜欢什么,就在船上画出来吧!略二、拔高1. 10132、 (1)有( 125 )个小正方体。(2)有( 142 )个小正方体。(3)有(105 )个小正方体。(4)有( 1116 )个小正方体。3、略

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