Multiplcation maths

Hi this tearm we have been learning about or x tables. Here is the x tables I don't know

2 x 9   3 x 8= 3 x 9=   3 x 4=  I took to long on these 

Here is the ones I got right

2 x 2=4   2 x 4=8    2 x 10=20   2 x 6=12   2 x 1=2