El libro Headway - Elemental - Inglés cotidiano (Unidad 4)

a word, sign, or symbol that represents a specific quantity or amount

the number 19

the number 21; the number of days in three weeks

the number 36; the number of months in three years

the number 45; the number of degrees for half a right angle

the number 91; the number of minutes in a typical soccer game plus one

the number 66; the number of players on six soccer teams

of the number 100; the number of years in a century

the number of meters in one kilometer

the number 1 followed by 6 zeros

the number 8

the number 10

the number 12

the number 32; the number of teeth an adult has

the number 60

the number 76

the number 99; the number of players on nine soccer teams

the number 16

the punctuation mark . used to indicate that a sentence or an abbreviation is ended