Grammar Revision
Numbers
(fractions, decimals, percentages)
1. Most fractions are expressed using ordinal numbers
a third (), a fifth (), a seventh (), five eighths ()
But there are some exceptions:
a half (½), a quarter (¼), three quarters (¾), two and a half (2½), four and three quarters (4¾)
2. A full point is used when writing decimals:
0.5 (zero point five), 1.5 (one point five):
233 (two point three three); 4.75 (four point seven five); 5.07 (five point oh seven)
3. Percentages
50 % (fifty percent); 0,25 % (a quarter of one percent); 2½ % (two and a half percent); 6.25% (six point two five percent)
4. Numbers are singular
Four thousand; three hundred, two million
5. When a noun following a number is used adjectively, it has no –s plural.
It was a four-year contract.
|
Ex.1. Write the numbers as words:
; 4.25; ; 0.25; 3.2; ; 0.75; 2 ; 2.05; 5 ; 6.85; 1 ; 13.62; ; 0.43; 0.125; 60.17.
Ex.2. Speak about interest rates. The National Bank of Ukraine has raised interest rates by:
0.5%; 0.3%; 0.25%; 0.15%; 0.4%; 0.2%; 0.32%; 0.44%; 0.17%; 0.21%; 0.08%.
Ex.3. Remember the words which are used to give approximations when we are speaking about amount: