Multiplication-- sets of--

I am sure you all know your skip countings in 2s , 3s, 5s, and 10s. Now you need to translate that knowledge to working out your multiplication tables.

1           2              3             4                5            6               7              8              9          10

2           4              6             8                10          12            14             16            18         20


3           6              9            12              15            18            21            24           27           30


Use the above information and work out the following problems:

2 X 2 =                                           2  X 3 =                            
4 X 2=                                            4 X 4 =
8 X 2 =                                           4 X 4 =
Study the answers of all the number problems.
Explain the relationship and how to work out the other problems after knowing the answers to the first two problems.
Similarly, try out other examples. Challenge your self with bigger numbers.