Ms. Garcia Math
absolute value Show/Hide
The absolute value |x| of a real number 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.