Vocabulary

SYMBOL	NAME READ AS	EXPLANATION	EXAMPLES   READ AS
=	Equality Is equal to; equals	X=y means X and y represent the same thing or value.	1+1=2   One plus one equals two
	Inequality Is different to / from Is not equal to	X  Y means that X and y have a different value.	3  2   Three is different from two
<   >	Strict inequality Is less than, is greater than	X < y means X is less than y. X > y means X is greater than y.	3 < 4 5 > 4   Three is less than four Five is greater than four
+	Addition sum plus	X + y means the sum of x and y.	2 + 5   Two plus five
-	Subtraction minus	X – y means the subtraction of y from x.	7 – 3   Seven minus three. “If you take (away) three apples from seven, how many apples are left behind? Four”
·	Multiplication product Times Multiplied by	X · y means the multiplication of x by y.	3 · 5 = 15   Three times five equals fifteen.
/  :	Division Divided by	X / y means  the division of x by y.	4 : 2 = 2   Four divided by two equals two.
	Square/cube root The square root of X is…	The square root of x means the nonnegative number whose square is x.	= 3   The square root of nine is equal to tree

(  )	Brackets Parentheses Claudator Square brackets	Perform the operation inside the brackets first.	3 · (2+4)   Three times two plus four in brackets
%	Percentage Per cent	X% X out of a hundred. The rate of x over one hundred.	8%   The eight per cent.
	Powers X squared X cubed	means the multiplication of x twice.  means the multiplication of x three times.	Three squared.  Five cubed.
	X (raised) to the fourth power. X (raised) to the power four. X (raised) to the fifth power. X (raised) to the power five.	means the multiplication of x four times.  means the multiplication of x five times.	Two to the tenth power. Six to the power seven.
X   y	Fraction X over y one (x) seconds (y)	X over y means  the division of x and y	3 4 Tree over four Tree fourth