Ms. Garcia Math
	Absolute Value	Show/Hide
	The absolute value |x| of a real number a is the numerical value of a number without regard to its sign. (We use a vertical bar on each side of the quantity)	|-5|= 5
	Real Number	Show/Hide
	A real number is a value that represents a quantity along a number line. (rational or irrational)
	Rational	Show/Hide
	Rational numbers are the ratios of integers, also called fractions	1/2, 2/3, 5/8
	Irrational Numbers	Show/Hide
	an irrational number is any real number that cannot be expressed as a fraction a/b, where a and b are integers, with b non-zero. The square roots of all numbers which are not perfect squares are irrational
	Integers	Show/Hide
	A number with no fractional part. Includes the set of positive whole numbers {1, 2, 3, . . . }, negative whole numbers {-1, -2, -3, . . . }, and zero {0}.	-5, 0, 10
	Absolute Value of an Integer	Show/Hide
	The number of units a number is from zero on the number line.