Show:
Addition
Subtraction
Rounding to nearest 10
Rounding to nearest 100
Rounding to nearest whole number
100

12 + 7

19

100

17 - 9

8

100

23

20

100

63

100

100

11.1

11

200

23 + 19

42

200

25 - 17

8

200

45

50

200

230

200

200

13.5

14

300

16 + 5 + 19

40

300

64 - 28

36

300

238

240

300

350

400

300

2.69

3

400

126 + 251

377

400

300 - 194

106

400

303

300

400

1750

1800

400

17.18

17

500

23 + 49 + 367

439

500

710 - 243

467

500

1057

1060

500

23055

23100

500

239.3

239