认识小数苏教版五年级数学上册第九册.pptx

qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin苏教教版五年版五年级数学数学上上册册qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin5 5 分分5 510010048 48 分分3 3 10104848100100()()()()元元()()元元()()元元()()()()0.30.3元元0.050.05元元0.480.48元元1 1块橡皮块橡皮1 1张信封张信封1 1本本子本本子 3 3 角角qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin把下面各数改写成用元作单位的分数和小数。把下面各数改写成用元作单位的分数和小数。7角角=（）元）元=（）元）元 9 角角=（）元）元=（）元）元 2分分=（）元）元=（）元）元 68分分=（）元）元=（）元）元 7 7 10109 9 10102 2 1001006868 1001000.70.90.020.68 qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin1米米1 10米0.1米米5 10米0.5米米1分米分米0.7米米7 10米10203040506070809005分米分米qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin1 1 100100米米0.010.01米米1 1厘米厘米0.350.35米米78 78 100100米米0.780.78米米35 35 100100米米10203040506070809003535厘米厘米7878厘米厘米qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin把下面各数改写成用米作单位的分数和小数。把下面各数改写成用米作单位的分数和小数。6分米分米=（）米）米=（）米）米 8分米分米=（）米）米=（）米）米 7厘米厘米=（）米）米=（）米）米 92厘米厘米=（）米）米=（）米）米6 6 10108 8 10107 7 1001009292 1001000.60.80.07 0.92 qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin 0.02元元 0.9元元 0.68元元 0.6米米 0.8米米 0.92米米0.7元元0.07米米qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin 0.7 0.02 0.9 0.680.6 0.07 0.8 0.92qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin0.02 0.070.02 0.070.680.68 0.920.92 0.70.70.60.60.90.90.80.8 （）（）（）（）qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin1qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin0.110.0110个个10个个10个个101010qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin分数:小数:分数:小数:试一试试一试试一试试一试 下面每个图形都表示整数下面每个图形都表示整数“1 1”，把图中涂色的部分，把图中涂色的部分分别用分数和小数表示出来。分别用分数和小数表示出来。分数:小数:43100910000.30.430.009103qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin 0.3 1.7 2.430.3 1.7 2.4300123232.432.430.30.320.7200.71.71.7qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin 神奇的神奇的1.1681.168qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin东方明珠塔在设计的最初，设计师东方明珠塔在设计的最初，设计师将塔身设计为直线型，后来，为了使平将塔身设计为直线型，后来，为了使平直单调的塔身变得丰富多彩，更协调、直单调的塔身变得丰富多彩，更协调、美观，设计师决定在靠近塔尖的美观，设计师决定在靠近塔尖的 0.618处设计一个球体。处设计一个球体。qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin 旷世名作蒙娜丽莎的构图完美的体现了 0.618 这个数值在油画艺术上的应用。qing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xinqing zhen shi wang zhuang xiao xue guo kai xin