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NUMBERS AND SHAPES

HOW TO SAY

WHOLE NUMBERS

335	tlucc hundrcd and thirty-five / three hundred ihirty five (AmE)
1,700	seventeen hundred
1,721	scventeen hundred and twenty-one
1,000 •	a lhousand / one thousand
3,000	ihree thousand
3,020	three thousand and twenty
3,722	three thousand. sevcn hundrcd and twenty-lwo
1,551,862	one tnillion. five hundred and fifty-one thousand, eight hundred and sixty-two
734407	seven, three, double four, o. scven (telcphone numbcr, account number)
0	nought (BrE) / zero (AmE)
COMMON FRACTIONS
1 2	a half / one half
4	a quarter / one quarter
1 i	a third / one third
j l g	an eighth / one cighth
2 4	three-quarters / three fourths
2	two thirds
3 8 5 7	three eighlhs
	five sevenths

two hundred and iwo over five hundred and sixty-one one and a half ihrce and two thirds

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DEC1MAL FRACTIONS

0.3    nought point three / point three / zero point three (AmE)

2.201 two point iwo nought one / two point two zero one 3.15    three point one five

25.25 twenty five point two five

HOW TO READ

MATHEMAT1CAL SYMBOLS

X~	x squarcd / x to the sccond power / x to the power of two
	x eubed / x to the third power / x to the power of three
x"	ar to the power (of) n / ar to the n
jf-'	x to the power (of) n minus one / ar to the n minus one
x‘	ar to the power (of) minus n / ar to lite minus n
fx	the squarc root of ar
iTx	the eube root of x
ifx	the fifth root of ar
*Tx	the nih root of x
x*\	x is not equal to 1
ar = 10	ar is approximately equai to 10
a:->0	ar tends to nought
x—»«>	x tends to infinity
*<5	x is less than five
ar>5	ar is greater than five
jr£10	x is less than or cqual to 10
*>10	ar is greater than or equal to 10
Rx	R subscripl or, R sub or
16°	sixtecn degrees
I6°C	sixteen degrees cenligradc / Celsius
25%	twcnty-five per cent (Water consumption has risen by 10%.)