Multiple by multiples of 10
3 x 40 =
120
200 x 3 =
600
20 x 30
600
60 x 8 =
480
7 x 800 =
5,600
400 x 30
12,000
70 x 9 =
630
900 x 8 =
7,200
70 x 70
4,900
80 x 40 =
3,200
40 x 500 =
20,000
600 x 60
36,000
90 x 60 =
5,400
70 x 900 =
63,000
20 x 500
10,000
NOT 1,000 !!!!