Show:
Name the number (1 to 50)
Name the number (500 to 100, 000)
Name the number (50 to 500)
Addition (1 to 1000)
Subtraction (1 to 1000)
100
I
1
100
D
500
100
L
50
100
C+L=
150
100
C-I=
99
200
V
5
200
M
1000
200
C
100
200
CC+X=
210
200
C-X=
90
300
X
10
300
MD
1500
300
D
500
300
CC+LX=
260
300
DCL-C=
550
400
L
50
400
DCCL
750
400
CC
200
400
CLX+XV=
175
400
M-DC=
400
500
XXI
21
500
DCLXI
661
500
CI
101
500
CCL+XVI=
266
500
MD-DC=
900