Unique Numbers and Palindromes

The video presents three interesting math facts. First, the number 40 is unique as its letters are in alphabetical order. Second, the number 1 is the only number with letters in reverse alphabetical order. Lastly, it explains palindrome numbers, which read the same forwards and backwards, using the example of 12,321.

Which number is unique because its letters are in alphabetical order?

• Forty

• One

• Two

• Three

What is the only number with its letters in reverse alphabetical order?

• Three

• One

• Forty

• Two

What is a palindrome number?

• A number that reads the same forwards and backwards

• A number with letters in alphabetical order

• A number with letters in reverse alphabetical order

• A number that is divisible by two

Which of the following is an example of a palindrome number?

• 12,321

• 40

• 1

• 2

If a number reads the same forwards and backwards, what is it called?

• Symmetrical

• Palindrome

• Alphabetical

• Reverse