Carry The Two

Natural Number - positive integers (whole numbers) 1, 2, 3... 'Counting numbers' used when you are counting one to one objects Whole Number - not fractions nor decimals.  Unlike natural numbers, we include 0 when referring to whole numbers Integers - a number that is not a fraction whole numbers; integers can also be negative whole numbers: ...-2, -1, 0, 1, 2... Rational Number  - a number that can be written as a ratio; a number that can be written as a fraction with the numerator and denominator expressed as whole numbers: 7/1, 9/2 Irrational Number  - Real numbers that cannot be expressed as simple fractions;  π is irrational because it cannot be written as a simple fraction Real Number  - rational and irrational numbers; any number that can be found on a number line. Infinity is not a real number.  Imaginary numbers are also not considered real numbers Imaginary Number  - A number that, when squared, gives a negative result; imaginary numb...