Why Do We Count in Tens?

The video tutorial explains the decimal system, which is based on multiples of 10, and compares it with the base 60 system used in timekeeping. It highlights the advantages of base 60 in terms of divisibility. The tutorial also explores the historical reasons for the adoption of base 10, emphasizing the role of human anatomy in counting practices across different cultures.

What is the base number of the decimal system?

• 5

• 10

• 12

• 18

Why is the number 60 considered a better base than 10?

• It is a smaller number

• It is used in the metric system

• It can be divided by more numbers

• It is easier to write

Which base system is used for measuring time?

• Base 60

• Base 10

• Base 100

• Base 12

How did early humans likely choose the base 10 system?

• By using their fingers for counting

• By using stars

• By using stones

• By using animal bones

Which culture is mentioned as using body parts for counting?

• The Romans

• The Yupno from Papua New Guinea

• The Greeks

• The Egyptians