一年级数学上册第3单元1_5的认识和加减法《分与合》优选作业新人教版.docx

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1分与合一、填空题1.照样子,填一填2.填一填,让花儿开得更美3.看图填数二、连线题照样子,把上、下连起来,使数量合起来是 5。42 25153321 2 124252251313 354 2 12 325 4 2三、应用题做游戏1.一共有( )袋球,从右边第 4 袋有( )个球;2.从左往右数,第( )袋和第( )袋合起来是 5 个球;3.从右往左数,第( )袋和第( )袋合起来是 5 个球。参考答案一、填空题 31.照样子,填一填2.填一填,让花儿开得更美3.看图填数二、连线题照样子,把上、下连起来,使数量合起来是 5。三、应用题做游戏 42 251 452 331 223521313432514 22 12 325 4 3 531 2 1242 253 2 41.一共有( 5 )袋球,从右边第 4 袋有( 3 )个球;2.从左往右数,第( 2 )袋和第( 3 )袋合起来是 5 个球;3.从右往左数,第( 1 )袋和第( 2 )袋合起来是 5 个球。

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