Mental Math

80 x 0.3

24

4.6 x 200

920

700 x 0.5

350

2.5 x 300

750

3.9 x 20

78

1.2 x 120

144

1800 x 0.03

54

0.31 x 30

9.3

720/1.2

600

960/3.2

300

150/0.5

300

5600/1.4

4000

81/0.9

90

510/1.7

300