Finding Patterns in the Multiplication Table



1



2



3



4



5



6



78



9



Consider the highlighted products.



1



1



2



3



4



567



8



9



The common factor is 12



224



6



8



10



12



14



16



18



3 3



69



12



15



18



21



24



27



44



8



12



16



20



24



28



32



36



5



5



10



15



20



25



30



35



40



45



6



6



12



18



24



30



36



42



48



54



7



7



14



21



28



35



42



49



56



63



8



8



16



24



32



40



48



56



64



72



99



18



27



36



45



54



63



72.



81