Fill in the missing vowels in words based on the pictures.
A worksheet titled "Middle Sounds Sheet 1" with nine illustrated images and incomplete words for children to complete by filling in missing vowels. Images include a dad, seat, cot, jam, pig, pot, bed, cop, and bag. Below, there are three words with blanks to add a letter to make a word: "b_t", "r_n", "p_n".