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

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1加法一、填空题1.看图填数2.画一画,填一填。3.数一数,填一填4.看图写算式5.算一算21+2= 1+1= 2+2= 2+3= 1+4= 3+2= 1+4= 3+1= 二、应用题1.兔妈妈早上给了小兔子 2 根萝卜,到了中午的时候又给了小兔子 3 根萝卜,问:小兔子有多少根萝卜?2.小红和几个好朋友一起去公园玩,看到树上有 3 只小鸟在玩耍,这个时候又飞过来 1 只小鸟,问:现在树上总共有小鸟多少只?参考答案一、填空题1. 3 5 4 2. 4 5 33. 1+4=5 2+3=54. 4+1=5 1+2=35. 3 2 4 5 5 5 5 4二、应用题1.2+3=52.3+1=4

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