1, 1 = () 80 points = () points.

2. One revolution of the second hand is () seconds, which is () minutes; The minute hand turns a circle for () minutes, which is () hours.

The clock turned from 4 to 7 and walked for () hours.

4. Mom spent 1 () on cooking and 20 () on cooking.

Second, I'll judge (the right side of the bracket is misspelled) (10)

1, both the hour hand and the minute hand point to 5, indicating 5 o'clock. ()

2. It takes about 8 seconds for the pulse to jump 10 times. ()

At that time, when the needle and minute hand were connected in a line, it could only represent 6 points. ()

Meimei ran 30 meters in 9 seconds. ()

5. Blink 1 min. ()

Third, draw a picture and fill it in. (26 points)

2: 15: 00

: : :

Four, even a company (10)

Zhuo Zhuo is at school at two o'clock every day.

Rest at 6 o'clock.

Li Yue ran 100 meter in 20 minutes.

Mom spends 9 seconds watching a movie.

Eight heartbeats took 24 seconds.

5. Fill in the blanks and compare the sizes. (14)

4: 20: 240: 30: 6: 600: 3: 180.

100 sec ○ 1: 90 ○ 1: 40: 6: 30 sec.

Six, according to the prompt to solve the problem (30 points)

The school morning schedule is as follows:

How many minutes is the morning reading class?

2. How many minutes is the interval exercise time?

3. How many minutes does each class last? (column calculation)

4. How many minutes did you rest between the second class and the third class? (Calculate first and then answer)

5. What do the students do at 9:25 and 10:50 respectively?