4數_圖形的周界

4數_圖形的周界

4th Grade

7 Qs

quiz-placeholder

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4數_圖形的周界

4數_圖形的周界

Assessment

Quiz

Mathematics

4th Grade

Practice Problem

Hard

Created by

Shuk Ng

Used 2+ times

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7 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

1) 以下哪個/些圖案有周界呢?(答案可多於一個)

Media Image
Media Image
Media Image
Media Image

Answer explanation

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2) 正方形的周界公式是甚麼?

邊長 - 4

邊長 + 4

邊長 X 4

邊長 + 邊長

Answer explanation

Media Image

正方形的特性是4邊長度相等

因此,知一邊的邊長已可找到整個正方形的周界

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3) 長方形周界的公式是甚麼?

(長 + 闊) X 4

(長 + 闊) X 2

(長 + 闊) + 4

(長 + 2) X 闊

Answer explanation

Media Image

由於長方形的其中一個特性是兩組對邊長度分別相等,所以需要知道長和闊是多少,相加後乘2,便可得知整個長方形的周界是多少。

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

以下哪條/些列式可得出此圖形的周界?

8 X 4 + 4 X 4

8 X 3 + 4 X 3 + (8 – 4)

(8 + 4 + 8) X 2

(8 + 4 ) X 4

Answer explanation

Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以下哪條算式可以找到此圖形的周界?

(3+7+7) X 2

3+7+3+7

3 X 2 + 7 X 2

無法計算

Answer explanation

Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以下哪條算式可計算此圖的周界?

4 X 4

4 + 4 + 4 + 4

(4 + 4) X 2

無法計算

Answer explanation

Media Image

由於圖形的資料不足,未能計算此圖的周界

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以下哪條算式可找到此圖形的周界?

( 6 + 9 ) X 2 + 2 X 4

( 6 + 9 ) X 2

( 6 + 9 ) X 2 + 2 X 2

無法計算

Answer explanation

Media Image

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