The answer to this question would be: 300; 20; 150; 10
When you multiply 15 x 32, you can divide both numbers into this:
15= 10 + 5
32= 30 +2
Then the multiplication becomes (10+5) (30+2) which will result in 4 partial product like this:
1030= 300
10 2= 20
5 30= 150
5* 2= 10
