A Brief Introduction to Real Numbers

real number  The Closure Properties Real numbers are closed under addition, subtraction, and multiplication That means if a and b are real numbers, then a + b is a unique Find over 1 free and ready-to-use GeoGebra resources for grades 4-8 to explore and practice real number concepts like classifying real numbers,

Real Numbers and some Subsets of Real Numbers We designate these notations for some special sets of numbers: N=the set of natural numbers,Z=the It belongs to the sets of natural numbers, {1, 2, 3, 4, 5, …} It is a whole number because the set of whole numbers includes the natural numbers plus zero It

Real numbers are composed of rational, irrational, whole, and natural numbers Negative numbers, positive numbers, and zero are all examples of integers Real The real numbers are defined to be the set of numbers formed by combining rational numbers and irrational numbers If the imaginary numbers are defined as any