English File - Elementary - Lesson 9C

used when we want to talk about a person or thing for the first time or when other people may not know who or what they are

the number 100; the number of years in a century

used to connect two words, phrases, or sentences referring to related things

the number 5; the number of fingers we have on one hand

referring to the numerical value that represents the result of multiplying two by one hundred

referring to the numerical value that represents the quantity or value obtained by multiplying three by one hundred

the number 50; the number of fingers on five monkeys

the number 75; the number of legs on seven crabs plus five

the number 1000; the number of meters in one kilometer

the number 1 followed by 6 zeros; 1,000,000