1.2 hours = () minutes 2 minutes = () seconds.

2. 180 minutes = () 120 seconds = () minutes.

3. fill in ">", "

5 minutes 50 seconds, 4 hours 300 minutes 200 seconds, 4 minutes.

400: 06: 1: 40: 100: 150: 02: 30.

4. Fill in the appropriate time unit in ().

(1) The time of a class is 35 ().

(2) It takes 2 () to watch a movie.

(3) It takes 13 () to get from Nanjing to Beijing by train.

(4) Xiaoming runs 100 meters needs 16 ().

(5) Workers' uncles have to work 8 times a day.

Zhang Qin needs 10 () to wash two handkerchiefs.

(7) Li Yong needs to use 5 () to calculate 50 crossing problems.

Pupils spend 6 () hours in school every day.

The radio broadcast this novel from 4 pm to 4: 30 pm, lasting () minutes.

It takes 2 hours from Shanghai to Wuxi by train. The train leaves from Shanghai Station at 9 am and arrives in Wuxi at () in the morning.

7. Look at the clock to fill in the blanks

Judging whether it's true or not (tick "√" for the right and "×" for the wrong)

1. It takes 60 seconds for the minute hand to walk around. ()

2. It takes 12 hours to turn clockwise. ()

It takes 5 seconds for the second hand to move from one number on the clock face to the next. ()

The minute hand turns from 2 o'clock to 7 o'clock on the clock face, and it takes 35 minutes in between. ()

The minute hand and the hour hand are in a straight line at 6 o'clock. ()

Half past six, or half past two. ()

7. Mom goes to work at 7:30 in the morning and gets off work at 1 1:30. She works four hours in the morning. ()

8. Xiaoyun takes 9 seconds from the first floor to the second floor. At this speed, it takes him 54 seconds to walk from the first floor to the sixth floor. ()

Third, multiple-choice questions (fill in the letters of the correct answer in brackets)

1. The minute hand turns from one number to the next, and the elapsed time is ().

1 min B.5 min C. 1 hr.

2. The time for the second hand to make a circle is ().

A. 1 sec B. 1 min C. 1 hr.

3. Xiaohong/kloc-0 writes 5 words per minute and can write () words in 6 minutes.

a6 b . 5 c . 30

4. The first class starts at 8: 15 and ends at 8: 50. This class is over ().

A. Half an hour and 35 minutes C.40 minutes

Workers Xiao Li and Xiao Wang each made 24 parts, the coolie spent 6 hours and Xiao Li spent 8 hours. ()

A. Xiao Wang does it fast, and Xiao Li does it fast.

Fourth, the application questions

1. The moon orbits the earth for 8 kilometers per second, and the earth orbits the sun for 29 kilometers per second. How many kilometers has the earth traveled more than the moon?

2. A rainstorm started at 9:20 and stopped at 10:55. * * * It rained for hours and minutes?

Wang Hua stays at school for 3 hours and 20 minutes in the morning and 2 hours and 30 minutes in the afternoon. How long does he stay at school a day? How much more time in the morning than in the afternoon?

4. Master Yang made 36 parts in 4 hours, and Master Zhang made 3 more parts per hour than Master Yang. How many parts does Master Zhang make an hour?

Please divide the clock face into six parts, and the sum of each part is equal. How to divide it?

Reference answer

I. 1. 120, 120

2.3,2

3.>,