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# + - ± x 3 0 - PowerPoint PPT Presentation

+ - ± 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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Presentation Transcript

+ - ± 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.

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

+ - x ÷ ±

3 + 8

three plus eight

+

a plus sign

+- x ÷ ±

7 - 2

seven minus two

Alternatives: seven subtract two

seven take away two

-

a minus sign

a subtraction sign

+ - x ÷ ±

5 x 10

five times ten

Alternative: five multiplied by ten

x

a multiplication sign

a times sign

+ - x ÷ ±

3 ÷ 8

three divided by eight

÷

a division sign

+ - x ÷ ±

3 ± 8

three plus or minus eight

±

a plus or minus sign

±

So how would you say ?

±

So how would you say ?

=≠  ≥ > ≤ <

x= 8

x equals eight

Alternative: x is equal to 8

=

an equality sign

an equals sign

=≠  ≥ > ≤ <

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

=≠ ≥ > ≤ <

y 2.5

y approximately equals 2.5

Alternative: y is approximately equal to four x

an approximate equality sign

=≠ ≥ > ≤ <

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

=≠ ≥ > ≤ <

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

So how would you say > ?

So how would you say > ?

So how would you say > ?

and < ?

> and < are strict inequality signs

So how would you say > ?

and < ?

> and < are strict inequality signs

0. ()  

0

zero

Alternatives: oh

nought

0 . ()  

6.8

six point eight

.

a decimal point

0 . () 

( )

brackets

0 . ()  

roottwo

the square root of four x plus two y

a root sign

a square root sign

0 . ()  

infinity

x squared

x cubed

x to the four

Alternatives: x to the fourth

x to the power four

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

divided by

greater than

equals

minus

times

approximately equals

not equal to

plus

plus or minus

less than or equal to

Can you match the words to the symbols?

x to the four

x squared

point two

brackets

infinity

root two

x cubed

zero

point two

x cubed

zero

root two

x to the four

x squared

infinity

brackets

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)