六年級數學－圓（課後）
Authored by 芷廷 郭
Mathematics
1st Grade
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
相等
一半
兩倍
四倍
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圖中的黑色線是圓的什麼？
弧長
周長
直徑
半徑
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圓形面積公式是從什麼圖形的公式推導出來的？
長方形
菱形
三角形
橢圓形
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
長方形面積公式是？
長＋寬
長－寬
長×寬
長÷寬
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圓形面積＝（＿）×（＿）×3.14
半徑×半徑
半徑×直徑
直徑×直徑
半徑×2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果圓的直徑是20公分，則半徑是多少公分？
15
10
5
20
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
圓的半徑10公分，面積算式以下哪一個正確？
5×5×3.14
10×10×3.14
10×２×3.14
5×２×3.14
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