Words with -ed
Have your child sort them by the base word ending and then practice reading the words.

Words with -ed endings. Words with the end of the base word color coded in blue are words that make the -ed sound. The base words end in d and t.

Words with the end of the base word color coded in green make the "t" sound for -ed. The base word ends in ch, p, pp,c, k, s, sh,

All the other words not color coded make the "d" at the end of the word for -ed.