有一段步道,起點和終點相距 6 公里,曉芸去程的速率是 2 公里/時,回程的速率是 3 公里/時,曉芸全程的平均速率是多少公里/時?

數學領域第3單元(1)小考

Quiz
•
Mathematics
•
6th Grade
•
Easy
佳蓉 林
Used 1+ times
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19 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
48 秒=(__4/5__)分鐘(用分數表示)
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
小可騎腳踏車,23 秒騎了 92 公尺,速率是(__4__)公尺/秒。
4.
OPEN ENDED QUESTION
3 mins • 1 pt
下表是老師在體育課時記錄的數據:名字 小偉 小新 小齊 距離(公尺) 80 80 60 時間(秒) 13.2 13.6 13.6 小偉和小新誰跑得比較快?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
蜂鳥 30 秒可以飛行 0.21 公里,速率是( 7)公尺/秒,也就是( 0.42)公里/分,5 小時可飛行( 126)公里。
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
敏鎬昨天和今天跑步的速率一樣,他今天跑 2700 公尺花了 9 分鐘,昨天跑 3300 公尺花了( 11)分鐘。
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
琳琳從郵局走到超市要花 12 分鐘,琳琳走路的速率是( 150)公尺/分。
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