Show:
Addition
Subtraction
Rounding
Multiplication
Comparing Fractions
100

53+23

76

100

54-31

23

100

62

60

100

9x2

18

100

1/3 2/3

1/3<2/3

200

82+133

215

200

356-133

223

200

219

200

200

5x40

200

200

6/4  5/4

6/4>5/4

300

455+286

741

300

45-37

8

300

357

300

300

8x6

46

300

3/3. 5/5

3/3=5/5

400

24+55+139

218

400

506-254

252

400

468

500

400

(2x4)x5

40

400

3/10.   3/7

3/10<3/7

500

104+37+22+235

398

500

701-469

232

500

3546

3500

500

9x(3x10)

270

500

2/4  2/9

2/4>2/9