Understanding Natural Numbers

What is a natural number?

• Natural numbers are all integers, both positive and negative.

• Natural numbers start from 0.

• Natural numbers are the set of positive integers starting from 1.

• Natural numbers include negative integers.

Which of the following is a natural number: -3, 0, 5?

• 2.5

• -1

• 5

• 10

Identify the natural numbers in this list: 2, 4, -1, 7, 10.

• 7, 10, -1

• -1, 2, 4

• 2, 4, 7, 10

• 2, 4, 10

Is 15 a natural number? Yes or No?

• No, because it's a negative number

• Yes

• No, because it's not an integer

• Yes, but only if it's even

Which of these numbers is NOT a natural number: 8, 12, -5?

• -10

• 7

• -5

• 0

What is the smallest natural number?

• 0

• -1

• 1

• 2

List three consecutive natural numbers after 10.

• 11, 12, 13

• 15, 16, 17

• 12, 13, 14

• 9, 10, 11

If you add 1 to a natural number, is the result still a natural number?

• Yes

• Only for prime numbers

• No

• Only for even numbers

Are all whole numbers natural numbers? Yes or No?

• No

• Some whole numbers are not natural numbers.

• Yes, all whole numbers are natural numbers.

• Whole numbers and natural numbers are the same.

Identify the natural numbers between 1 and 10.

• 3, 4, 5, 6, 7, 8

• [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

• 0, 11, 12

• -1, 5, 15