age

neonatus

February baby

1 year

2 years old

3-4 years old

5-7 years old

8- 12 years old

12- 18 years old

adult

60-70 years old

70-90 years old

Sleep time

20-22 hours

18-20 hours

15

hour

14 hour

13 hour

12 hour

10 hour

nine

hour

7-8 hours

nine

hour

10

hour

(The picture above of sleeping and getting up is also attached here. )

Question 1: Xiaoming is today 12 years old. Is his sleep time scientific?

Question 2: How long does Xiao Ming sleep every day?

Question 3: Can you estimate how much time you spend in school every day?

PIMSS samples:

The water consumption of Xiaoming's family is 500 liters per week. How many liters of water does his family use a year?

30 thousand pounds

24,000 pounds

300,000 pounds

240,000 pounds