Show:
Addition
Subtraction
Round to the tens
Roman Numerals
100

303+ 305=

308

100

998-4

994

100

12

10

100

VI

6

200

160+70=

230

200

202-4

198

200

677

680

200
LVI

56


300

299+5=

304

300

320-240=

80

300

46

50

300

XLVIII

48

400

459+6=

465

400

900-410=

490

400

273

270

400

Write 8 in Roman Numerals

VIII

500

80+240=

320

500

900-410=

490

500

6549

6550

500

Write 23 in Roman Numerals

XXIII