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周界小測

Authored by Fong fong

Mathematics

4th Grade

Used 12+ times

周界小測
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11 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

上圖中周界最長的那個圖形周界長 (a)   。(答案須填上合適的單位)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

上圖是一個正方形,它的周界長多少?

24mm

18cm

24cm

36cm

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

大正方形的邊長是8厘米,小正方形的邊長是5厘米,兩個正方形的周界相差多少厘米?

3

12

20

32

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

一個正方形周界是2 m,它的邊長是 (a)   cm。(不用填單位)

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

樂詩把一條長32 cm的繩子圍成一個正方形,這正方形的邊長是

(a)   cm。(不用填單位)

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

達鈞用一條絨毛條圍出一個等邊三角形,

然後把它改成一個正方形,如上圖所示。

正方形的邊長是 (a)   cm。(不用填單位)

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

上面長方形的周界長 (a)   。(答案須填上合適的單位)

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