
P6 圓周
Authored by Esther Cheung
Mathematics
11th Grade
Used 72+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一個圓形魚池的圓周是15.7米,它的半徑是多少米?(取 = 3.14)
10米
5米
2.5米
1.25米
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
正方形紙的邊長是10 cm。凱晴從一張正方形紙剪出一個最大的圓,這個圓的圓周是多少 cm?(取 = 3.14)(不用輸入單位)
(a)
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
圖中,AB是大圓的直徑,X點、Y點和Z點是三個
大小相同的小圓的圓心。大圓的圓周是66厘米,
每個小圓的直徑是 (a) 厘米。(取 )(不用輸入單位)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
嘉穎用一條長44 cm的鐵線剛好圍成四個大小相同的圓,如上圖所示。
以下哪一道算式能正確找出圓的半徑?(取 )
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
一個直徑是10 cm的玩具車向前轉動了2周,即向前移動了多少cm?(取 =3.14) (不用輸入單位)
(a)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一塊圓形草地的直徑是5 m。思朗的單車車輪的直徑是50 cm,他騎單車圍繞草地的外圍一周,車輪轉動了多少周?(取 = 3.14)
1
10
100
1000
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
公園裡有一個圓形水池,水池外有一條闊2 m的小徑。水池的圓周是31.4 m,以下哪一項描述不正確? (取 =3.14)
水池的直徑是10米。
水池的直徑與兩邊小徑闊度之和是 12 米。
水池的直徑與兩邊小徑闊度之和是14 米。
小徑的外圍周界
=水池的直徑與兩邊小徑闊度之和 x 3.14
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