圓周

Presentation

•

Mathematics

•

6th Grade

•

Practice Problem

•

Medium

Created by

FUNG 主任

Used 4+ times

FREE Resource

2 Slides • 9 Questions

1

圓周

Slide image

2

Multiple Choice

圓周長大約是直徑的幾倍？

1

1倍

2

2倍

3

3倍

4

4倍

3

Multiple Choice

圓的半徑如果越大，圓周長就越大，那麼圓周率會如何變化？

1

越大

2

越小

3

不變

4

不一定

4

Slide image

5

Fill in the Blanks

media image

圓周是 ? cm

Type answer...

6

Fill in the Blanks

media image

圓周是 ? m

Type answer...

7

Fill in the Blanks

1.陳老師在紙上畫了一個以20厘米為直徑的圓形，它的圓周是多少厘米？

Type answer...

8

Multiple Choice

6. 一個半徑是5cm的圓形，它的圓周最接近以下哪個數？

1

15cm

2

16cm

3

31cm

4

32cm

9

Multiple Choice

圓形的半徑是22cm，圓周是多少？(取 $\pi=3.14$ )

1

69.08cm

2

138.16cm

3

69.14cm

4

138.29cm

10

Fill in the Blanks

2.鍾老師在紙上畫了一個以7cm為半徑的圓形，它的圓周是多少cm？

Type answer...

11

Multiple Choice

Question image

每個圓的圓周是多少？

(取 π =3.14 )

1

7.85cm

2

15.7cm

3

23.55cm

4

31.4cm

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圓周

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