Understanding the 360 Degrees in a Circle

Why is the number 360 considered ideal for a circle?

• It is a perfect square.

• It is the smallest number.

• It is divisible by many numbers.

• It is a prime number.

What is a highly composite number?

• A number with more divisors than any smaller positive integer.

• A number that is a perfect square.

• A number that is only divisible by 1 and itself.

• A number that is a power of 10.

Which of the following numbers is NOT highly composite?

• 100

• 12

• 6

• 2

How did the Babylonians count to 60 using their hands?

• By counting the fingers of both hands.

• By counting the knuckles of one hand and using the fingers of the other hand to keep track of iterations.

• By counting the knuckles of one hand.

• By using a base-10 system.

What numeral system did the Babylonians use?

• Hexadecimal

• Sexagesimal

• Binary

• Decimal