Multiplication is a fundamental skill! Everyone has to learn their multiplication tables in elementary school. If they don’t...
Building Six: The Siblings’ Multiplication
البناء السادس: عملية الضرب الحسابيّة بين الأخوة
[ Edificio 6: La multiplicación 
de hermanos ]
[ Edificio 6: La multiplicación 
de hermanos ]
6ª construção: a multiplicação das irmãs