Page 111 - English Vocabualry In Use 3 (Upper Intermediate)

52 Numbers and shapes

A Pronunciation of numbers

Noticehowwesaythefollowing:
28%twenty-eightpercent 10m×12mtenmetresbytwelvemetres
2
1 /3 oneandtwothirds 4 /5 fourfifths 9 /13 ninethirteenths/nineoverthirteen
3
4
2
4 foursquared 7 sevencubed 8 eighttothepoweroffour
10.3tenpointthree 32°CorFthirty-twodegreesCelsiusorFahrenheit
DecimalfractionsareseparatedbyadotandnotacommainEnglishandthisispronouncedpoint.
Notehowcommasareusedtoseparateeachsetofthreenumbersinlongnumbers:
1,623,457=onemillion,sixhundredandtwenty-threethousand,fourhundredandfifty-seven.
Telephonenumbersareusuallysaidlikethis:0122320675=ohonedoubletwothree,twoohsix,

sevenfive.

Language help

When saying a long number, you pronounce each set of up to three digits separately with rising
intonation, until the last set, where the intonation falls at the end to make it clear that the number
is complete.

B Two-dimensional shapes

circle pentagon rectangle
triangle

square octagon
oval

Thecorrespondingadjectivesare:circular,pentagonal,rectangular,triangular,square,
octagonal, oval.
Arectanglehasfourrightangles.Apentagonhasfivesides.
Acircleiscutinhalfbyitsdiameter.Itstwohalvescanbecalledsemi-circles.
Theradiusofacircleisthedistancefromitscentretothecircumference.

C Three-dimensional shapes

sphere cube pyramid spiral

Thecorrespondingadjectivesare:spherical,cubic,pyramidal,spiral.
Thetwohalvesofaspherecanbecalledhemispheres.

D Arithmetic

+addition –subtraction ×multiplication ÷division

2x+3y–z= 3z Twoxplusthreeyminuszequalsthreezdividedbyfourxorthreezoverfourx
4x
6 ×7=42 Sixtimes/multipliedbysevenisforty-twoorsixsevensare
forty-two

110 English Vocabulary in Use Upper-intermediate