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一年级数学上册第3单元1_5的认识和加减法《比多少》教学课件新人教版.ppt

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比大小,比多少,数一数，再连线。,回顾,看图画 。,3,4,2,1,回顾,等号,读作：3等于3,3,3,读作：3大于2,3,2,大于号,读作：3小于4,3,小于号,4,比一比，填一填。,5 5,=,5,4,4,5,5,4,3,5,5,3,1,2,

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