## Thinking Mathematically (6th Edition)

$\overline{V}MDCCCXCII$
RECALL: $M=1000 \\D=500 \\C=100 \\L=50 \\X=10 \\V=5 \\I=1$ (1) When a smaller numeral is written before a bigger numeral, the smaller numeral is subtracted to the bigger numeral. (2) When a bar is written on top, the value is multiplied by 1000. Note that: $6892 = 6000+800+90+2 \\6892 = 5000+1000 + 500+100+100+100 + (100-10) + 1 + 1 \\6892 = \overline{V}MDCCCXCII$