Different Kinds Of Numbers

Question 1

What are natural numbers? (N)

Answer 1

Natural numbers is the set of positive whole counting numbers starting from 1.
[ 1, 2, 3, 4, 5, 6, 7……]

Question 2

What are whole numbers? (W)

Answer 2

Whole numbers are natural numbers starting with zero.
[0, 1, 2, 3, 4, 5, 6, 7…..]

Question 3

What are integers? (Z)

Answer 3

The set of integers is the set of all whole numbers (including zero) and negative numbers
[-2, -3, -1, 0, 1, 2, 3 ]

Question 4

What don’t whole numbers and natural numbers include?

Answer 4

Whole numbers and natural numbers don’t include negative numbers, decimals and fractions.

Question 5

All______ _______ are whole numbers

Answer 5

Natural numbers

Question 6

All _______ __________ are integers

Answer 6

Whole and natural numbers

Question 7

All ________ are rational numbers

Answer 7

Integers

Question 8

What is a rational number? (Q)

Answer 8

A rational number is a number that can be written as a ratio or fraction. Whether, decimal, square root, positive or negative, as long as it can be converted into a fraction. Including recurring and terminating decimals.

0.5 = 1/2, 1/100, square root of 16 = 4/1

Question 9

What are irrational numbers? (Q’)

Answer 9

Irrational numbers cannot be written as a fraction.
Pi = 3.14159……
e =

Question 10

What are real numbers?

Answer 10

Real numbers are a combination of (natural, whole, integers, rational and irrational numbers).