Inequality symbols indicate that two numbers are not equal. Greater than (>) means first number is greater than second. Less than (<) means first number is smaller than second
Zero is distinct from positive and negative numbers in neutral context. Zero is the middle value of the trichotomous real numbers line. Zero is equal to both negative (-1⋅|arg|) and positive (+1⋅|arg|)
Fractions represent parts of a whole, derived from Latin 'fractio' meaning 'to break'. Egyptians were earliest civilization to study fractions for food division. Ancient Romans used words to describe fractions. Indians first wrote fractions without fraction bar, Arabs added it
Number line is a visual representation of numbers on a straight line. Zero (0) serves as the origin of the number line. Numbers increase from left to right, decrease from right to left
Absolute value represents a number's distance from the origin 0. It is denoted by |x| or 'mod x', pronounced as 'modulus of x'. Absolute value is always non-negative
Less than symbol (<) indicates left value is smaller than right. Used in comparisons with greater than (>) and equal to (=) symbols. Binary symbol requiring two operands