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2021_F2_Maths_CH1 率和比

Authored by shun lin

Mathematics

7th - 8th Grade

CCSS covered

Used 49+ times

2021_F2_Maths_CH1 率和比
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30 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

3000秒 = ?分鐘

3000 ÷ 60

3000 ÷ 60 ÷ 60

3000 × 60

3000 × 60 × 60

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

距離84米,時間7秒,速率=?m/s

7÷ 84

84 × 7

84 ÷ 7

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

跑車以每小時50公里移動,2小時後,移動了多少公里?

50÷ 2

50 × 2

2 ÷ 50

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

一架飛機由香港飛往北京,約飛行了1980公里,飛行時間約是2.5小時,求飛機飛行的平均速率是多少公里每小時?

1980 × 2.5

1980÷1000÷2.5

1980÷2.5

1980÷2.5×60

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

卓峰跑100米,用了25秒,他的平均速率是多少米每秒?

100 X 10 ÷ 25

100 × 25

100 ÷ 25

100 ÷ 25 × 60

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

時間45秒,速率0.5米每秒,它的距離是多少米?

45 ÷ 0.5

0.5 × 45

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知速率是50公里每小時,行10公里,需要多少時間?

0.1 小時

0.2 小時

0.5 小時

5 小時

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