What is money? The pound, the dollar or the franc are actually just like a gram or a kilometer. The difference is that you can exchange money for something (1)__________. A five pound note may buy a book, a huge bag of sweets, or a (2) __________ of cinema tickets. But the note itself is only a printed (3) __________ of paper which costs almost nothing to make.

Thousands of years (4) __________ , people didn't have money as we know (5) __________ . There were no banks (6) __________ even shops. In those days, Mr. Green the farmer exchanged the com he (7) __________ grown for Mr. Hive's honey. This was an exchange arranged between the two (8) __________ , each of whom had something that the other wanted. But in time, most societies invented their own “currencies” (9) __________ that people could exchange more. The different currencies began to join together, which is why (10) __________ everyone uses a national currency.