

小數的加減
Presentation
•
Mathematics
•
5th Grade
•
Hard
ya-yun Tseng
FREE Resource
5 Slides • 16 Questions
1
1個白色積木表示1/1000,記成0.001
用小數表示:
2個白色積木表示?
3個白色積木表示?
9個白色積木表示?
10個白色積木表示?
1000個白色積木表示1
2
Some text here about the topic of discussion
3
Some text here about the topic of discussion
4
1個1,4個0.1,2個0.01,6個0.001合起來的。
5
Some text here about the topic of discussion
讀作「二點七五三零四」
是2個1,7個0.1,5個0.01,3個0.001,0個0.0001,4個0.00001合起來的。
6
Multiple Choice
988 個 0.00001 是
0.00988
0.0988
0.988
9.88
7
Multiple Choice
6.54031的小數點後第2位是< >,小數點後第 4 位是< >,小數點後第 5位是< >。
5、4、0
4、0、1
4、3、1
5、3、1
8
Multiple Choice
2.78435是由< >個1、< >個0.1、< >個0.01、< >個0.001、< >個0.0001、< >個0.00001
5、3、4、8、7、2
3、4、8、7、2、5
7、2、8、4、3、5
2、7、8、4、3、5
9
Multiple Choice
5.631479中的9表示:9個< >,也就是< >。
0.01、0.09
0.000001,0.000009
0.001,0.009
0.00001,0.00009
10
Multiple Choice
關於0.523,下面哪個說法是錯誤的?
0.1x5+0.01x2+0.001x3
0.01x52+0.001x3
0.1x5+0.01x23
0.001x
11
Multiple Choice
下列關於 98.7654位名的敘述何者正確?
7是十位數字
9是十分位數字
5是千分位數字
8是萬位數字
12
Multiple Choice
「472.85」的百分位數字是多少?
400
4
8
5
13
Multiple Choice
雷丘在新聞上看到,人如果吃下被細菌感染的食物,會導致食物中毒。圖表是常見的細菌長度,哪一個細菌的身體最長?哪一個最短?
腸炎弧菌、仙人掌桿菌
仙人掌桿菌、腸炎弧菌
仙人掌桿菌、金黃葡萄球菌
金黃葡萄球菌、大腸桿菌
14
Multiple Choice
青綿鳥走了 4000 步後前進了 1 公里,青綿鳥平均1步走< >公里(用小數表示)?
夢歌仙人掌的一步長大概是 0.000249公里,< >的一步距離比較長?
0.0004,青綿鳥
0.00025,青綿鳥
0.00025,夢歌仙人掌
0.0001,夢歌仙人掌
15
Multiple Choice
37.00809 ( ) 37.00081
>
=
<
無法比
16
Multiple Choice
將 0.00078、0.038、0.0058 從左到右,由小到大排列
0.038<0.0058<0.00078
0.0038<0.00078<0.0058
0.0058<0.0038<0.00078
0.00078<0.0058<0.0038
17
Multiple Choice
將0.0025、0.000025、0.00025三數,從左到右,由小到大排列。
0.0025<0.00025 <0.000025
0.00025<0.000025<0.0025
0.000025<0.00025<0.0025
18
Multiple Choice
0.7 ? 6 > 0.743,請問?填入哪個數不對?
3
4
5
6
19
Multiple Choice
有甲、乙、丙、丁4輛玩具車,甲車走1.43公里,乙車走0.901公里,丙車走1.278公里,丁車走1.2136公里,哪一輛車走最遠?
甲
乙
丙
丁
20
Multiple Choice
0.6 ? 9 > 0.671 ,請問?填入哪個數字是不對的?
9
8
7
6
21
Multiple Choice
比比看,0.03081 ( ) 0.030801
>
=
<
無法比
1個白色積木表示1/1000,記成0.001
用小數表示:
2個白色積木表示?
3個白色積木表示?
9個白色積木表示?
10個白色積木表示?
1000個白色積木表示1
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