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1、1 六年级数学下册圆柱与圆锥知识点归纳一、面的旋转知识点 1、体会“点、线、面”之间的关系。点的运动形成(),线的运动形成(),面的旋转形成()知识点 2、圆柱各部分名称及特征1、圆柱有 3 个特征(1),圆柱有()个底面和()个侧面;(2),底面是()的两个圆;(3),圆柱有()高,所有的高都()。2、把圆柱平行于底面进行切割,切面是和底面大小完全一样的两个(),把圆柱沿底面直径进行切割,切面是两个完全相同的()。知识点 3、圆锥的各部分名称以及特征1、圆锥的底面是一个(),侧面是一个(),侧面展开是一个()。2、圆锥的特征:1,圆锥的底面是一个圆;2,圆锥的侧面是一个曲面;3,圆锥只有()
2、条高。二、圆柱的表面积知识点 1、圆柱侧面积的测量方法1、圆柱的侧面展开是一个(),长方形的长等于圆柱的(),宽等于圆柱的(),长方形的面积公式:()();所以圆柱侧面积=()(),用字母表示:S=()2、侧面积公式的几个推导公式,由于圆柱的底面是一个圆,由圆的周长公式:C=d、C=2r,可以推导出圆柱侧面积的公式还有:S=(),S=()。3、圆柱的侧面展开可能是()、正方形或者()。知识点 2、圆柱侧面积公式的应用第一类,一只底面周长和高,求侧面积。一个圆柱形纸筒,底面周长72cm,高 8cm,它的侧面积是多少平方厘米?第二类,已知底面直径和高,求测面积。一个圆柱,底面直径是0.5 米,高
3、1.8 米,求它的侧面积(得数保留两位小数)精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页,共 4 页 -2 第三类,已知底面半径和高,求侧面积。一个圆柱的高是 15 厘米,底面半径是5 厘米,它的侧面积是多少?知识点 3、圆柱表面积的计算方法1、圆柱的组成部分:两个底面和一个侧面。2、圆柱的表面积:S=侧面积底面积 2.3、侧面积的公式有3 个,相对应的圆柱的表面积公式有3 个分别是:知识点 4、圆柱表面积的应用(用分析法做题、用割补法做题)第一类、求一个底面积和侧面积(无盖的桶、茶杯、水池等)一个无盖的圆柱形铁桶,高 24cm,底面直径是 20cm,做这个铁桶大约要用铁皮多少平方厘米?
4、(得数保留整百平方数)第二类、只求侧面积(压路机、排水管、烟囱、通风管等)一个圆柱形烟囱,底面半径是 6 厘米,高 50厘米,做这样 100 个烟囱至少需要铁皮多少平方米?三、圆柱的体积知识点 1、圆柱体积的意义和计算方法1、一个圆柱所占空间的大小叫做这个圆柱的()。2、长方形、正方体和圆柱的体积都是()高。用字母表示:V=Sh 3、圆柱体积的几个推导公式:知识点 2、圆柱体积公式的应用(公式的正确应用,不要与面积公式混淆!)第一类、一只圆柱的底面积和高,求圆柱的体积一根圆柱形钢材,底面积是50 平方厘米,高是 1.2 米,它的体积是多少?第二类、一只圆柱的底面半径和高,求体积。一根圆柱形木料
5、,量的底面半径是20 厘米,高 2 米,这根木料的体积是多少?精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页,共 4 页 -文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5
6、K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 Z
7、U6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1
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9、编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3
10、O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7
11、V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q33 第三类、一只圆柱的底面直径和高,求圆
12、柱的体积一个圆柱形茶杯底面直径是6cm,高 10 厘米,求茶杯能装茶水多少毫升?第四类、一只圆柱的底面周长和高,求圆柱的体积。一个圆柱形油桶,底面周长是12.56 米,高 20 米,求这个油桶能储油多少立方米?如果没立方米油重 0.8 吨,这个储油罐能储油多少吨?知识点 3、圆柱形容器的计算方法1、计算容积和计算体积的方法一样。知识点 4、灵活运用转化法和排水法解决实际问题。1、一个饮料瓶瓶身是圆柱形,瓶颈非圆柱形,容积式 3 立方分米,其中装一些饮料,正放时高 20cm,倒放时空余部分 5cm,问瓶内饮料多少立方分米?解答:205=25(厘米)32520=2.4(立方分米)2、在一个底面半径
13、为15 厘米的圆柱形容器中,有一块底面半径为10 厘米的圆柱形钢材完全浸入水中,当钢材取出时,容器内水面下降2 厘米,这块钢材的高是多少?四、圆锥的体积知识点 1、圆锥体积的计算公式圆锥体积的计算公式是:-知识点 2、圆锥体积计算公式的应用。第一类、知道圆锥的底面积和高,求体积。一个圆锥的底面积为114.04平方厘米,高 6 厘米,求圆锥的体积是多少?第二类、已知圆锥的体积和底面积,求圆锥的高精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页,共 4 页 -文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K
14、7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU
15、6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q
16、9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编
17、码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O
18、6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V
19、10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP1
20、0K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q34 一个体积为 30 立方厘米的圆锥形铅垂,底面积是18 平方厘米,求这个铅垂的高是多少?第三类、已知底面半径和高,求体积第四类、已知底面直径和高,求体积第五类、已知底面周长和高,求体积课外提高之一:(抓住变的量和不变量的方法解决问题)1、圆柱的底面半径扩大n 倍,高不变,侧面积扩大();体积扩大()。2
21、、等体积等底的圆柱和圆锥,圆柱和圆锥的高的比是()。精品资料-欢迎下载-欢迎下载 名师归纳-第 4 页,共 4 页 -文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9
22、ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U
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24、档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN
25、3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V
26、7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3文档编码:CN3O6R3V7V10 HP10K1B5K7L9 ZU6K8U1Q9Q3