Fill in the blanks.
1. We all have some time to live, study and work. You can tell us the time.
There are () squares on the clock face (counting from one to the next). It takes () hours to walk a big square clockwise, and () minutes to walk a big square clockwise. The minute hand goes 1 and the second hand goes 1, which is () seconds.
3. 1 hour = () minutes? 1 min = () seconds
On the clock face, the hour hand points to 8 and the minute hand points to 12, which is exactly ().
On the clock face, the hour hand points to 6 and the minute hand points to 12, which is exactly (). At this time, the hour hand and the minute hand are in a straight line.
6. On the clock face, the hour hand has passed 7 and the minute hand has gone 30 squares from 12. This moment is () hours () minutes.
7. The hour hand is between 9 and 10, and the minute hand points to 7. When it is (), it is ().
8. On the clock face, the second hand walked three digits, walked () seconds and walked eight digits, which was () seconds.
9. The train from Shanghai to Nanjing, A train leaves at 6:50, B train leaves at 7:30, and train () leaves early.
10. Xiaojun gets up at 6:20 every day, Xiaoqing gets up at 6:25 every day and () gets up early.
1 1. Run 60 meters, Xiaohong 14 seconds, Xiaoying 12 seconds, Xiaoyun 13 seconds. Among them, () runs the fastest.
12. The moon orbits the earth for 8 kilometers per second, and the earth orbits the sun for 29 kilometers per second. The earth travels () kilometers more than the moon.
13. Sound travels 332 meters in the air every second, the shell is 667 meters faster than sound every second, and the shell flies () meters every second.
Second, read the time marked on the clock face below and write it down.
Third, fill in the appropriate time unit in ().
1. The time of a class is 35 (). ?
2. Primary school students go to school at 6 o'clock every day.
3. Xiao Xin needs 12 () to run 60 meters.
Uncle worker works 8 minutes every day.
5. It takes 17 () to get from Shanghai to Beijing by train.
6. Li Yong needs to walk from home to school 15 ().
Fourth, the judge. Mark "√" correctly in () and "×" wrongly.
1.2 hours = 20 minutes. ? ()?
It takes five minutes for the minute hand to walk from one number to the next. ()
The hour hand is between 5 o'clock and 6 o'clock, and the minute hand points to 9 o'clock, which is 6: 45. ()
4. When both the hour hand and the minute hand point to 12, it is 12. ()
5. It takes 60 seconds for the second hand to walk on the clock face, which is 1 minute. ? ()
Reference answer
One,
1.？ clocks and watches
2. 12, 1,60,60?
3.60,60?
4.8?
5.6?
6.7,30
7.9,35
8. 15,40
9. A car?
10. Xiaojun
1 1. KINOMOTO SAKURA
12.2 1?
13.999
Two o'clock, three o'clock, four thirty, six fifty?
Three. 1. The second minute. The third hour. Four seconds. The fifth hour. Sixth hour. minute
4. 1 .× 2.√? 3.×4.√? 5.√