估一估 量一量
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估 估 估 估 一 一
description
估一估 量一量. ( 1 )讲桌的高是 ____m_____cm .. ( 2 )板报的长是 ____m_____cm .. ( 3 )门的高度是 ____m_____cm .. 练一练. 1 .估一估、量一量你的身高、步长 ……. 练一练. 2 .估计淘气和机灵狗分别有多高.. 2m. 练一练. 3 .. 4cm. 6cm. 2cm. 12cm. 10cm. 用上面形状的木块搭出下面的三种图形,它们的高分别是多少?. cm. 练一练. 3 .. 4cm. 6cm. 2cm. 12cm. 10cm. - PowerPoint PPT Presentation
Transcript of 估一估 量一量
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估一估 量一量估一估 量一量
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( 1)讲桌的高是 ____m_____cm .
( 2)板报的长是 ____m_____cm .
( 3)门的高度是 ____m_____cm .
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估计测量
练一练
1 .估一估、量一量你的身高、步长……
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练一练
2 .估计淘气和机灵狗分别有多高.
2m
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练一练
用上面形状的木块搭出下面的三种图形,它们的高分别是多少?
cm
3 .
10cm 12cm
4cm2cm 6cm
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练一练
3 .
10cm 12cm
4cm2cm 6cm
用上面形状的木块搭出下面的三种图形,它们的高分别是多少?
cm
![Page 7: 估一估 量一量](https://reader036.fdocument.pub/reader036/viewer/2022062408/56813a1d550346895da1f7d1/html5/thumbnails/7.jpg)
练一练
3 .
10cm 12cm
4cm2cm 6cm
用上面形状的木块搭出下面的三种图形,它们的高分别是多少?
cm
![Page 8: 估一估 量一量](https://reader036.fdocument.pub/reader036/viewer/2022062408/56813a1d550346895da1f7d1/html5/thumbnails/8.jpg)
练一练
4 .找一找,量一量.
姓名 身高
比我高的人
比我矮的人
和我差不多高的人
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练一练
5 .
( 1)估一估自己的腰围、头围分别是多少,再量一量.
( 2)你的腰围和头围哪个大些?与同伴说一说.
6.
( 1)多少个人拉起手来长度大约是 10米?
( 2)到操场上走一走, 10米大约有多少步?
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中央电教馆资源中心制作
2004.02