Mayan Number System Quiz

What is a key similarity between the Mayan number system and our decimal system?

• Both require a symbol for zero.

• Both have 18 months in a year.

• Both use symbols of gods for numbers.

• Both use a base-20 system.

What symbols did the common folk use in the Mayan number system?

• Faces of gods

• Animals and plants

• Stars and moons

• Dots, bars, and shells

How many days did the Mayan calendar recognize in a solar year?

• 350 days

• 365 days

• 400 days

• 360 days

In the Mayan number system, what does a shell symbol represent?

• Twenty

• Zero

• Five

• Ten

How is the third place value in the Mayan number system uniquely calculated?

• By multiplying by 18

• By multiplying by 25

• By multiplying by 20

• By multiplying by 10

What is the result of adding 17 and 6 in the second place value of the Mayan system?

• 18 groups of 20

• 23 groups of 20

• 11 groups of 20

• 5 groups of 20

What happens to a numeral in the Mayan system when it is multiplied by 20?

• It is divided by 18.

• It moves up a place value.

• It remains in the same place value.

• It moves down a place value.

How does the Mayan system handle the transition from the second to the third place value during multiplication?

• By multiplying by 10

• By multiplying by 18

• By multiplying by 25

• By multiplying by 30

What is the base of the Mayan number system?

• Base-12

• Base-20

• Base-18

• Base-10

What is the primary reason for the Mayan system's use of base-18 in certain calculations?

• To align with the number of gods

• To match the number of days in a month

• To approximate the length of a year

• To simplify arithmetic operations