MATH IN ANCIENT TIMES

Past and Present

For example

111 CXI
100 10 1 100 10 1

百十一
100 10 1

How English numbers were made

• Ancient Indians used abacus but had a better idea. The Indians invented place value .they could do tricky sums without abacus.
• Indian numbers slowly changed into Aribic numbers then English number we use nowadays.
• These two different types of numbers both use place value

Roman numerals

Based on Latin alphabet.I II III is 1 2 3 and it is similar to hand signal 1 2 3 .On clocks games and books

I=1 II=2 III=3 V=5 X=10 C=100 D=500 M=1000


CMXCIX

thank you