in English from 10 to 100. Tens.
This game is devoted to the study
of counting from 10 to 100 in English.
The tens are formed by adding of the -ty suffix
to the ones.
For example, six + ty = sixty
It is necessary to memorize the exceptions which change the root
during adding of ty: two - twenty
three - thirty
four - forty
five - fifty
Except that, -t in the number of eight is omitted before the suffix
during adding of ty
eight + ty = eighty In English, the composite numbers 21, 22 and so on, are
formed in the same manner as in Russian, but between tens and
ones a hyphen (-) is placed.
21 = twenty-one
22 = twenty-two
99 = ninety-nine
In Russian there are names of hundreds: сто, двести, триста etc.
In English, hundreds are formed by means of the word «hundred»
(сто). 100 = one hundred
200 = two hundred
900 = nine hundred