addition
subtract
multiplication
rounding
100

190+50=

240

100

56-31=

25

100

0x4=

0

100

50

50

200

754+111

865

200

78-23=

55

200

1x17

17

200

67

70

300

382+591

973

300

300-30=

270

300

9x2=

18

300

345

350

400

641+187=

828

400

333-27=

306

400

8x5=

40

400

489

490

500

1000 -990

10

500

121-96=

25

500

8x3=

23

500

754

750

M
e
n
u