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讓孩子的眼睛躍過圍墻！

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trim.FCEBC01E-78BE-4444-9179-03D8BF4B57F5.MOV
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trim.FCEBC01E-78BE-4444-9179-03D8BF4B57F5.MOV
家齐 张 | 57 Views
trim.8F29B187-C7D0-4444-AC6E-B77711ED8C06.MOV
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trim.8F29B187-C7D0-4444-AC6E-B77711ED8C06.MOV
中B班谢芸菲 | 26 Views
trim.96D76564-E104-4444-8D0C-421DB29DCFB9.MOV
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trim.96D76564-E104-4444-8D0C-421DB29DCFB9.MOV
家齐 张 | 68 Views
A57026F6-A994-4C09-9BF5-6D976D66755A.MOV
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A57026F6-A994-4C09-9BF5-6D976D66755A.MOV
赵宇辰妈妈 凌 | 13 Views
trim.237D50B1-E228-4444-98CF-5A75FCB5A52D.MOV
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trim.237D50B1-E228-4444-98CF-5A75FCB5A52D.MOV
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4526D40F-CDD9-4444-A994-5D6C79FE9F53.MOV

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11 何思圻
11 何思圻
4
Published on 26 Dec 2019 / In Education environment

比轻重

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Hello
Hello 6 years ago

轻和重是一组常见的比较概念，利用天平进行比较是最直接的表达方式。在家里可以制作简易天平让孩子进行操作演示！

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trim.FCEBC01E-78BE-4444-9179-03D8BF4B57F5.MOV
00:01:00
trim.FCEBC01E-78BE-4444-9179-03D8BF4B57F5.MOV
家齐 张 | 57 Views
trim.8F29B187-C7D0-4444-AC6E-B77711ED8C06.MOV
00:01:59
trim.8F29B187-C7D0-4444-AC6E-B77711ED8C06.MOV
中B班谢芸菲 | 26 Views
trim.96D76564-E104-4444-8D0C-421DB29DCFB9.MOV
00:01:31
trim.96D76564-E104-4444-8D0C-421DB29DCFB9.MOV
家齐 张 | 68 Views
A57026F6-A994-4C09-9BF5-6D976D66755A.MOV
5:12
A57026F6-A994-4C09-9BF5-6D976D66755A.MOV
赵宇辰妈妈 凌 | 13 Views
trim.237D50B1-E228-4444-98CF-5A75FCB5A52D.MOV
1:18
trim.237D50B1-E228-4444-98CF-5A75FCB5A52D.MOV
雷涯天 雷 | 8 Views

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