OUR NUMBER SYSTEM IS CALLED ARABIC WE HAVE TEN DIGITS

AND WE CAN MAKE AS BIG A NUMBER AS WE WANT

THESE FIGURES ARE SO BECAUSE THE ARABS COUNTED THE CORNERS

THE ROMANS HAD DIFFERENT SYMBOLS FOR

NUMBERS

THE ROMANS HAD NOT SYMBOL FOR ZERO (O)

IN THIS EXAMPLE THE PRINCIPLE OF ADDITION

IS USED

I 1 one V 5 fiveX 10 tenL 50 fiftyC 100 one hundredD 500 five hundredM 1000 one thousand

ITS CONSTRUCTION STARTED UNDER EMPEROR VESPASIANO IN

LXXIIAND WAS COMPLETED UNDER TITUS IN

LXXX

ST. PETER BASILICA

THE CONSTRUCTION BEGAN INMDVI

HE WAS BORN IN

CICI A.B.AND WAS ASSASINATEDON THE IDES OF MARCH (15 MARCH)

XLIVXLIV A.B.

IMPORTANT

• WHEN THE PRINCIPLE OF ADDITION IS USED, A SYMBOL CAN BE USED 3 TIMES ONLY

• PRINCIPLE OF MULTIPLICATION

REMEMBER