Use concrete materials to model multiplication as equal 'groups' and by forming an array of equal 'rows' or equal 'columns'

1. Party time: 2 rows of people x 5 per row
2. Party time: 3 rows of presents x 3 per row
3. Circus Times: 1 row of lions x 5 per row
4. Circus Times: 2 rows of dogs x 3 per row
5. Counter Times: 4 groups of ?. There are 12 altogether.
6. Counter Times: 4 groups of ?. There are 16 altogether.