數學 - 圓周率 (二) (6下C)

數學 - 圓周率 (二) (6下C)

Professional Development

40 Qs

quiz-placeholder

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數學 - 圓周率 (二) (6下C)

數學 - 圓周率 (二) (6下C)

Assessment

Quiz

Other

Professional Development

Hard

Created by

NT Lui

FREE Resource

40 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

圓的圓周是 15.7 厘米,求它的直徑 (取 π=3.14)

2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

圓的圓周是 22 厘米,求它的直徑 (取 π=22/7)

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

圓的圓周是 28.26 厘米,求它的直徑 (取 π=3.14)

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

小威用一條長 44 厘米的絲帶圍出一個圓,求這個圓的直徑 (取 π=22/7)

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

子傑用滾輪在地面上轉動一周,量度得的距離是 100 厘米,求滾輪的半徑 (取 π=22/7)

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

樂樂有一條長 33 厘米的麻繩,剛好可圍繞鏡子一圈。這面鏡子的直徑是多少厘米?(取 π=22/7)

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

公園裏有一個直徑是 10 米的圓形噴水池,工人在距離噴水池的外圍 1 米築起了欄杆。欄杆的長度是多少米? (取 π=3.14)

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