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Addition
– Read as: Plus/ Add
– Example: “Three plus three equals six.” (3 + 3 = 6)
Subtraction
– Read as: Minus
– Example: “Three minus one equals two.” (3 – 1 = 2)
Multiplication
– Read as: Times/ Multiplied by
– Example: “Four multiplied by five is twenty.” (4 x 5 = 20)
Division
– Read as: Divided by
– Example: “Nine divided by three is three.” (9 : 3 = 3)
Plus-minus
– Read as: Plus or minus
– Example: “Three plus or minus two equals five or one.” (3 ± 2 = 5 or 1)
Strict inequality
– Read as: Is greater than
– Example: “Three is greater than two.” (3 > 2)
– Read as: Is less than
– Example: “Two is less than three.” (2 < 3)
Equality
– Read as: Is equal to
– Example: “Four is equal to three plus one.” (4 = 3 + 1)
Inequation
– Read as: Is not equal to
– Example: “Four is not equal to three.” (4 ≠ 3)
Tilde
– Read as: Is similar to
Congruence
– Read as: Is congruent to
Infinity
– Read as: Infinity
Inequality
– Read as: Is greater than or equals
– Example: “a is greater than or equal to b.” (a ≥ b)
– Read as: Is less than or equals
– Example: “a is less than or equal to b.” (a ≤ b)
Material equivalence
– Read as: Is equivalent to
Material implication
– Read as: Implies
Theta
– Read as: Theta
Empty set
– Read as: Empty set
Triangle or delta
– Read as: Triangle/ Delta
For all
– Read as: For all
Pi constant
– Read as: Pi
Integral
– Read as: Integral
Intersection
– Read as: Intersection of two sets
Union
– Read as: Union of two sets
Factorial
– Read as: Factorial
Therefore
– Read as: Therefore
Square root
– Read as: Square root of
Perpendicular
– Read as: Is perpendicular to
Exists
– Read as: Exists
Percent
– Read as: Percent
Line
– Read as: Line AB
Line segment
– Read as: Segment AB
Ray
– Read as: Ray AB
Right angle
– Read as: Right angle
Angle
– Read as: Angle
Summation
– Read as: Sum of/ Sigma
Braces (grouping)
– Read as: Braces
Brackets
– Read as: Brackets
Parentheses (grouping)
– Read as: Parentheses
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