Question 1

某大樓共有101層高，以50樓為基準，51樓記為+1，52樓記為+2，49樓記為-1，則下列何者錯誤？

Accepted Answer

41樓記為-8

Answer

+12代表62樓

Answer

-22代表28樓

Answer

60樓記為+10

Question 2

如圖，數線上A點所代表的數是多少？

Accepted Answer

-$\frac{7}{4}$

Answer

-1.3

Answer

-2$\frac{1}{4}$

Answer

-2.1

Question 3

如圖，數線上B點的坐標可記為何？

Accepted Answer

B(4$\frac{1}{5}$)

Answer

B(4$\frac{1}{4}$)

Answer

B(5$\frac{1}{4}$)

Answer

B(5$\frac{1}{5}$)

Question 4

數線上表示 -2$\frac{1}{3}$ 的A點其位置為下列何者？

Accepted Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/24597859ec3e9672e6ebdbd03505c39506c1f57e.jpg

Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/0ed31e8f7abece5097ec025d49bd6b25cbf61e0d.jpg

Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/cea5f422cb8abd240847b1ee158d7f7e2b836e1e.jpg

Answer

https://uploads.quizalize.com/bbea196c-37f9-40f5-baf7-8dfe3f0a7720/question/3d6ddb2fc7bd7885aec730ed2d0459ca7ef1eb5d.jpg

Question 5

下列那一個數在數線上的位置離原點最近？

Accepted Answer

-$\frac{1}{4}$

Answer

-1

Answer

-$\frac{1}{2}$

Answer

-$\frac{1}{3}$

Question 6

下列那一個數最小？

Accepted Answer

-3.7

Answer

-3.5

Answer

-3.4

Answer

-3.2

Question 7

將一張小貼紙放在數線上，恰與兩個整數點對齊，若該數線每單位長為2公分，則此貼紙的長為多少公分？

Accepted Answer

8

Answer

3

Answer

4

Answer

6

Question 8

想在數線上畫出表示 -8.75 的點，則至少要將表示 -8 和 -9  之間的線段分成幾等分？

Accepted Answer

4

Answer

75

Answer

100

Answer

25

Question 9

下列敘述何者正確？

Accepted Answer

6 和 -6 互為相反數

Answer

-$ \frac{3}{4} $ 的相反數是 $ \frac{4}{3} $

Answer

0 沒有相反數

Answer

在數線上，甲、乙兩點與2的距離相同，則甲、乙互為相反數

Question 10

如圖，利用等臂天平比較甲、乙、丙、丁四個物品的重量。請問甲、乙、丙、丁四個物品中那一個重量最輕？

Accepted Answer

丙

Answer

乙

Answer

丁

Answer

甲

Question 11

| -(-6) | = ？

Accepted Answer

6

Answer

-6

Answer

-16

Answer

16

Question 12

若 |A| = 3，在數線上A、B兩點的距離是2，且A在原點左邊，B在A的左邊，則B點所代表的數為何？

Accepted Answer

-5

Answer

-1

Answer

1

Answer

5

Question 13

以正午12點為準，若下午3點以+6表示，則上午8點應如何表示？

Accepted Answer

-8

Answer

16

Answer

8

Answer

-12

Question 14

在數線上，與 -2$\frac{3}{4}$最接近的整數為甲數，則 |甲| = ？

Accepted Answer

3

Answer

2

Answer

1

Answer

4

Question 15

如圖，將 -2 與 2 之間四等分，得A(a)、B(b)、C(c)三個等分點，則下列那一個值最小？

Accepted Answer

| b |

Answer

| a |

Answer

| c |

Answer

| -2 |

Question 16

觀察圖中的數線，若數線上A、B、C、D四個點的坐標分為別a、b、c、d，則下列那一個大小關係是正確的？

Accepted Answer

| b | > | c |

Answer

| a | > | b |

Answer

| a | > | d |

Answer

| c | > | d |

Question 17

若A(a)在原點的左邊，且 | a | < 3 ，則A(a)和B(-3)在數線上的位置為何？

Accepted Answer

A(a)在B(-3)的右邊

Answer

A(a)在B(-3)的左邊

Answer

無法判斷

Answer

A(a)、B(-3)在同一點

Question 18

- ( -3.8) 的相反數為何？

Accepted Answer

-3.8

Answer

-8.3

Answer

8.3

Answer

3.8

Question 19

已知甲、乙、丙三人中，甲的身高比乙高，但比丙矮，則三人的身高關係為何？

Accepted Answer

丙 > 甲 > 乙

Answer

丙 > 乙 > 甲

Answer

乙 > 甲 > 丙

Answer

甲 > 乙 > 丙

Question 20

若 a、b 都是負數，且 | a | > | b |，則下列何者正確？

Accepted Answer

a < b

Answer

a > b

Answer

a = b

Answer

無法判斷

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