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+ - ± x 3 0. Essential vocabulary for maths. ÷ ∞ ≤ () 2. + - ± ÷ ∞ ≤ () …. You know what they mean – but do you know how to say them?. This mini-module presents common ways of saying twenty essential mathematical signs and symbols .

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+ - ± x30

Essential vocabulary

for maths

÷ ∞ ≤ () 2


+ - ± ÷ ∞ ≤() …

You know what they mean

– but do you know how to say them?

This mini-module presents common ways of saying twenty essential mathematical signs and symbols.


We look at 4 groups of symbols

Operators

+ - x ÷ ±

Equalities and inequalities

= ≠  ≥ > ≤ <

Miscellaneous

0 . ()  

Powers

If you think you already know how to say them go to slide 32 and check the summary


Operators

+ - x ÷ ±

3 + 8

three plus eight

+

a plus sign

an addition sign


Operators

+- x ÷ ±

7 - 2

seven minus two

Alternatives: seven subtract two

seven take away two

-

a minus sign

a subtraction sign


Operators

+ - x ÷ ±

5 x 10

five times ten

Alternative: five multiplied by ten

x

a multiplication sign

a times sign


Operators

+ - x ÷ ±

3 ÷ 8

three divided by eight

÷

a division sign


Operators

+ - x ÷ ±

3 ± 8

three plus or minus eight

±

a plus or minus sign


Question

±

So how would you say ?


Question

±

So how would you say ?

Answer:minus or plus


Equalities and inequalities

=≠  ≥ > ≤ <

x= 8

x equals eight

Alternative: x is equal to 8

=

an equality sign

an equals sign


Equalities and inequalities

=≠  ≥ > ≤ <

y ≠ 4x

y not equal to four x

Alternatives: y is not equal to four x

y does not equal four x

an inequality sign


Equalities and inequalities

=≠ ≥ > ≤ <

y 2.5

y approximately equals 2.5

Alternative: y is approximately equal to four x

an approximate equality sign


Equalities and inequalities

=≠ ≥ > ≤ <

x ≥0

xgreater than or equal to zero

Alternative: x is greater than or equal to zero

an inequality sign

a greater than or equal to sign


Equalities and inequalities

=≠ ≥ > ≤ <

x ≤0

x less than or equal to zero

Alternative: x is less than or equal to zero

an inequality sign

a less than or equal to sign


Question

So how would you say > ?


Question

So how would you say > ?

Answer: greater than


Question

So how would you say > ?

Answer: greater than

and < ?

> and < are strict inequality signs


Question

So how would you say > ?

Answer: greater than

and < ?

Answer: less than

> and < are strict inequality signs


Miscellaneous

0. ()  

0

zero

Alternatives: oh

nought


Miscellaneous

0 . ()  

6.8

six point eight

.

a decimal point


Miscellaneous

0 . () 

( )

brackets


Miscellaneous

0 . ()  

roottwo

the square root of four x plus two y

a root sign

a square root sign


Miscellaneous

0 . ()  

infinity


Powers

x squared


Powers

x cubed


Powers

x to the four

Alternatives: x to the fourth

x to the power four


Quiz

Can you match the words to the symbols?

approximately equals

less than or equal to

plus or minus

not equal to

greater than

divided by

equals

minus

times

plus


Quiz

Answers

divided by

greater than

equals

minus

times

approximately equals

not equal to

plus

plus or minus

less than or equal to


Quiz

Can you match the words to the symbols?

x to the four

x squared

point two

brackets

infinity

root two

x cubed

zero


Quiz

Answers

point two

x cubed

zero

root two

x to the four

x squared

infinity

brackets



Further reading

Of course, there is much more …

You can find more useful mathematical vocabulary in your Algebra course book:

A2 Core for Edexcel:

Page ix ( just before chapter 1)


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