Multiply by Tens
36 x 20
720
23 x 6
138
123 x 4
492
22 x 32
704
3209 x 4
12,836
58 x 30
1,740
15 x 4
60
234 x 5
1,170
22 x 13
286
1,207 x 4
4,828
336 x 40
13,440
25 x 3
75
345 x 6
2,070
34 x 45
1530
3,015 x 2
6,030
480 x 50
24,000
56 x 7
392
456 x 7
3,192
55 x 93
5115
4360 x 2
8,720
909 x 50
45,450
99 x 9
891
999 x 9
8,991
67 x 89
5963
3,100 x 5
15,500